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52797580136 = 23717241230123
BaseRepresentation
bin110001001010111110…
…110010001101101000
312001021112221222002222
4301022332302031220
51331112140031021
640131015213212
73546242012030
oct611276621550
9161245858088
1052797580136
1120433948454
12a295977208
134c955306a2
1427ac0c48c0
1515902a26ab
hexc4afb2368

52797580136 has 64 divisors (see below), whose sum is σ = 120290417280. Its totient is φ = 21208043520.

The previous prime is 52797580117. The next prime is 52797580139. The reversal of 52797580136 is 63108579725.

52797580136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52797580139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114371 + ... + 344493.

It is an arithmetic number, because the mean of its divisors is an integer number (1879537770).

Almost surely, 252797580136 is an apocalyptic number.

52797580136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52797580136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60145208640).

52797580136 is an abundant number, since it is smaller than the sum of its proper divisors (67492837144).

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

52797580136 is a wasteful number, since it uses less digits than its factorization.

52797580136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230394 (or 230390 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 52797580136 in words is "fifty-two billion, seven hundred ninety-seven million, five hundred eighty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 241 476 482 952 964 1687 1928 3374 4097 6748 8194 13496 16388 28679 32776 57358 114716 229432 230123 460246 920492 1610861 1840984 3221722 3912091 6443444 7824182 12886888 15648364 27384637 31296728 54769274 55459643 109538548 110919286 219077096 221838572 388217501 443677144 776435002 942813931 1552870004 1885627862 3105740008 3771255724 6599697517 7542511448 13199395034 26398790068 52797580136