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152364534921 = 38612792
BaseRepresentation
bin1000110111100110100…
…0100100110010001001
3112120021112202100000000
42031321220210302021
54444020310104141
6153554552433213
714002510115034
oct2157150446211
9476245670000
10152364534921
1159687898245
12256426a8809
13114a23cb751
14753581c01b
153e6b49c5b6
hex2379a24c89

152364534921 has 81 divisors (see below), whose sum is σ = 235321367463. Its totient is φ = 98646472080.

The previous prime is 152364534913. The next prime is 152364534937. The reversal of 152364534921 is 129435463251.

The square root of 152364534921 is 390339.

It is a perfect power (a square), and thus also a powerful number.

152364534921 is a `hidden beast` number, since 1 + 5 + 23 + 6 + 4 + 534 + 92 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4954611321 + 147409923600 = 70389^2 + 383940^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 152364534921 - 23 = 152364534913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152364534221) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 1928664960 + ... + 1928665038.

Almost surely, 2152364534921 is an apocalyptic number.

152364534921 is the 390339-th square number.

152364534921 is the 195170-th centered octagonal number.

It is an amenable number.

152364534921 is a deficient number, since it is larger than the sum of its proper divisors (82956832542).

152364534921 is an frugal number, since it uses more digits than its factorization.

152364534921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 143 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 152364534921 in words is "one hundred fifty-two billion, three hundred sixty-four million, five hundred thirty-four thousand, nine hundred twenty-one".

Divisors: 1 3 9 27 61 79 81 183 237 243 549 711 729 1647 2133 2187 3721 4819 4941 6241 6399 6561 11163 14457 14823 18723 19197 33489 43371 44469 56169 57591 100467 130113 133407 168507 172773 293959 301401 380701 390339 400221 505521 518319 881877 904203 1142103 1171017 1516563 2645631 2712609 3426309 3513051 4549689 7936893 8137827 10278927 10539153 13649067 23222761 23810679 24413481 30836781 31617459 40947201 69668283 71432037 92510343 209004849 214296111 277531029 627014547 642888333 832593087 1881043641 1928664999 2497779261 5643130923 16929392769 50788178307 152364534921