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252516047741464 = 2313611229148921751
BaseRepresentation
bin111001011010100101111001…
…010100110110001000011000
31020010002022001112111121200211
4321122211321110312020120
5231044210331210211324
62253020134301540504
7104121453031003543
oct7132457124661030
91203068045447624
10252516047741464
11735064aa963371
12243a3375574734
13aab9212cc45a0
14464dbb033d85a
151e2d7c65d6294
hexe5a979536218

252516047741464 has 128 divisors (see below), whose sum is σ = 519040873008000. Its totient is φ = 114459816960000.

The previous prime is 252516047741407. The next prime is 252516047741473. The reversal of 252516047741464 is 464147740615252.

It is a junction number, because it is equal to n+sod(n) for n = 252516047741399 and 252516047741408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11609388589 + ... + 11609410339.

It is an arithmetic number, because the mean of its divisors is an integer number (4055006820375).

Almost surely, 2252516047741464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252516047741464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259520436504000).

252516047741464 is an abundant number, since it is smaller than the sum of its proper divisors (266524825266536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252516047741464 is a wasteful number, since it uses less digits than its factorization.

252516047741464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24549 (or 24545 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 58.

The spelling of 252516047741464 in words is "two hundred fifty-two trillion, five hundred sixteen billion, forty-seven million, seven hundred forty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 61 104 122 244 488 793 1229 1489 1586 2458 2978 3172 4916 5956 6344 9832 11912 15977 19357 21751 31954 38714 43502 63908 74969 77428 87004 90829 127816 149938 154856 174008 181658 282763 299876 363316 565526 599752 726632 974597 1131052 1180777 1326811 1829981 1949194 2262104 2361554 2653622 3659962 3898388 4723108 5307244 7319924 7796776 9446216 10614488 14639848 17248543 23789753 26731979 32387239 34497086 47579506 53463958 64774478 68994172 95159012 106927916 111628841 129548956 137988344 190318024 213855832 223257682 259097912 347515727 421034107 446515364 695031454 842068214 893030728 1390062908 1451174933 1630650719 1684136428 1975621579 2780125816 2902349866 3261301438 3368272856 3951243158 5804699732 6522602876 7902486316 11609399464 13045205752 15804972632 21198459347 25683080527 39803916731 42396918694 51366161054 79607833462 84793837388 102732322108 159215666924 169587674776 205464644216 318431333848 517450917503 1034901835006 2069803670012 2428038920591 4139607340024 4856077841182 9712155682364 19424311364728 31564505967683 63129011935366 126258023870732 252516047741464