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52547546964 = 223113789120889
BaseRepresentation
bin110000111100000100…
…111110111101010100
312000122010110222002010
4300330010332331110
51330104133000324
640050124144220
73540114531243
oct607404767524
9160563428063
1052547546964
11203157a1870
12a226098070
134c557a8b73
142786bda95a
151578363829
hexc3c13ef54

52547546964 has 96 divisors (see below), whose sum is σ = 138917116800. Its totient is φ = 15318927360.

The previous prime is 52547546963. The next prime is 52547546971. The reversal of 52547546964 is 46964574525.

It is a happy number.

It is a super-2 number, since 2×525475469642 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52547546963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374232 + ... + 495120.

It is an arithmetic number, because the mean of its divisors is an integer number (1447053300).

Almost surely, 252547546964 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 52547546964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69458558400).

52547546964 is an abundant number, since it is smaller than the sum of its proper divisors (86369569836).

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

52547546964 is a wasteful number, since it uses less digits than its factorization.

52547546964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121033 (or 121031 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 57.

The spelling of 52547546964 in words is "fifty-two billion, five hundred forty-seven million, five hundred forty-six thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 89 111 132 148 178 222 267 356 407 444 534 814 979 1068 1221 1628 1958 2442 2937 3293 3916 4884 5874 6586 9879 11748 13172 19758 36223 39516 72446 108669 120889 144892 217338 241778 362667 434676 483556 725334 1329779 1450668 2659558 3989337 4472893 5319116 7978674 8945786 10759121 13418679 15957348 17891572 21518242 26837358 32277363 43036484 49201823 53674716 64554726 98403646 118350331 129109452 147605469 196807292 236700662 295210938 355050993 398087477 473401324 590421876 710101986 796174954 1194262431 1420203972 1592349908 2388524862 4378962247 4777049724 8757924494 13136886741 17515848988 26273773482 52547546964