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27052992772 = 22131741746413
BaseRepresentation
bin11001001100011110…
…111110100100000100
32120211100222102110021
4121030132332210010
5420401031232042
620232235304524
71645253434021
oct311436764404
976740872407
1027052992772
1110522788973
1252abbab144
132721976240
141448cb8548
15a85051867
hex64c7be904

27052992772 has 48 divisors (see below), whose sum is σ = 55300320432. Its totient is φ = 11464888320.

The previous prime is 27052992763. The next prime is 27052992773. The reversal of 27052992772 is 27729925072.

It can be written as a sum of positive squares in 8 ways, for example, as 6885016576 + 20167976196 = 82976^2 + 142014^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (27052992773) 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 15 ways as a sum of consecutive naturals, for example, 336963 + ... + 409450.

It is an arithmetic number, because the mean of its divisors is an integer number (1152090009).

Almost surely, 227052992772 is an apocalyptic number.

It is an amenable number.

27052992772 is an abundant number, since it is smaller than the sum of its proper divisors (28247327660).

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

27052992772 is a wasteful number, since it uses less digits than its factorization.

27052992772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746488 (or 746486 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 27052992772 in words is "twenty-seven billion, fifty-two million, nine hundred ninety-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 17 26 34 41 52 68 82 164 221 442 533 697 884 1066 1394 2132 2788 9061 18122 36244 746413 1492826 2985652 9703369 12689021 19406738 25378042 30602933 38813476 50756084 61205866 122411732 164957273 329914546 397838129 520249861 659829092 795676258 1040499722 1591352516 2080999444 6763248193 13526496386 27052992772