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52722012771 = 326787432857
BaseRepresentation
bin110001000110011110…
…100001001001100011
312001002021202202011200
4301012132201021203
51330433313402041
640115315412243
73544333500021
oct610636411143
9161067682150
1052722012771
11203a522458a
12a2745b4083
134c82992a7c
1427a2053711
1515888271b6
hexc467a1263

52722012771 has 12 divisors (see below), whose sum is σ = 77290646472. Its totient is φ = 34623410976.

The previous prime is 52722012743. The next prime is 52722012779. The reversal of 52722012771 is 17721022725.

It is a happy number.

52722012771 is a `hidden beast` number, since 527 + 2 + 2 + 0 + 127 + 7 + 1 = 666.

It is not a de Polignac number, because 52722012771 - 27 = 52722012643 is a prime.

It is a super-2 number, since 2×527220127712 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52722012779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43715826 + ... + 43717031.

It is an arithmetic number, because the mean of its divisors is an integer number (6440887206).

Almost surely, 252722012771 is an apocalyptic number.

52722012771 is a deficient number, since it is larger than the sum of its proper divisors (24568633701).

52722012771 is a wasteful number, since it uses less digits than its factorization.

52722012771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87432930 (or 87432927 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 52722012771 in words is "fifty-two billion, seven hundred twenty-two million, twelve thousand, seven hundred seventy-one".

Divisors: 1 3 9 67 201 603 87432857 262298571 786895713 5858001419 17574004257 52722012771