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252755053026 = 23767217941221
BaseRepresentation
bin1110101101100101100…
…0000000100111100010
3220011101221020001101020
43223121120000213202
513120120243144101
6312040345550310
724155335334220
oct3533130004742
9804357201336
10252755053026
1198213702383
1240b9b1a5396
131aab0aac998
14c33a695b10
156894b26136
hex3ad96009e2

252755053026 has 64 divisors (see below), whose sum is σ = 586631930880. Its totient is φ = 71103510720.

The previous prime is 252755052919. The next prime is 252755053039. The reversal of 252755053026 is 620350557252.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6111096 + ... + 6152316.

It is an arithmetic number, because the mean of its divisors is an integer number (9166123920).

Almost surely, 2252755053026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252755053026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293315965440).

252755053026 is an abundant number, since it is smaller than the sum of its proper divisors (333876877854).

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

252755053026 is a wasteful number, since it uses less digits than its factorization.

252755053026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43479.

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 252755053026 in words is "two hundred fifty-two billion, seven hundred fifty-five million, fifty-three thousand, twenty-six".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1407 2179 2814 4358 6537 13074 15253 30506 41221 45759 82442 91518 123663 145993 247326 288547 291986 437979 577094 865641 875958 1021951 1731282 2043902 2761807 3065853 5523614 6131706 8285421 16570842 19332649 38665298 57997947 89820559 115995894 179641118 269461677 538923354 628743913 1257487826 1886231739 3772463478 6017977453 12035954906 18053932359 36107864718 42125842171 84251684342 126377526513 252755053026