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52765627628 = 22737317160669
BaseRepresentation
bin110001001001000100…
…111001010011101100
312001012022211121111202
4301021010321103230
51331031000041003
640123514305032
73545403302030
oct611104712354
9161168747452
1052765627628
112041790401a
12a287128178
134c8ba23a8c
1427a7b681c0
15158c590088
hexc491394ec

52765627628 has 48 divisors (see below), whose sum is σ = 108726031680. Its totient is φ = 21933110016.

The previous prime is 52765627619. The next prime is 52765627631. The reversal of 52765627628 is 82672656725.

It is a super-2 number, since 2×527656276282 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248078 + ... + 408746.

It is an arithmetic number, because the mean of its divisors is an integer number (2265125660).

Almost surely, 252765627628 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 52765627628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54363015840).

52765627628 is an abundant number, since it is smaller than the sum of its proper divisors (55960404052).

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

52765627628 is a wasteful number, since it uses less digits than its factorization.

52765627628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161034 (or 161032 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 56.

The spelling of 52765627628 in words is "fifty-two billion, seven hundred sixty-five million, six hundred twenty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 317 518 634 1036 1268 2219 4438 8876 11729 23458 46916 82103 160669 164206 321338 328412 642676 1124683 2249366 4498732 5944753 11889506 23779012 41613271 50932073 83226542 101864146 166453084 203728292 356524511 713049022 1426098044 1884486701 3768973402 7537946804 13191406907 26382813814 52765627628