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51411105852 = 22347731248691
BaseRepresentation
bin101111111000010101…
…110011100000111100
311220200221001202221120
4233320111303200330
51320242220341402
635341250230540
73500005121661
oct577025634074
9156627052846
1051411105852
111a892257837
129b69585450
134b042094c2
1426b9cd3a68
15150d6d03bc
hexbf857383c

51411105852 has 48 divisors (see below), whose sum is σ = 124189911552. Its totient is φ = 16542645120.

The previous prime is 51411105847. The next prime is 51411105853. The reversal of 51411105852 is 25850111415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411105853) 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, 583174 + ... + 665517.

It is an arithmetic number, because the mean of its divisors is an integer number (2587289824).

Almost surely, 251411105852 is an apocalyptic number.

It is an amenable number.

51411105852 is an abundant number, since it is smaller than the sum of its proper divisors (72778805700).

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

51411105852 is a wasteful number, since it uses less digits than its factorization.

51411105852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248818 (or 1248816 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 33.

The spelling of 51411105852 in words is "fifty-one billion, four hundred eleven million, one hundred five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 47 73 94 141 146 188 219 282 292 438 564 876 3431 6862 10293 13724 20586 41172 1248691 2497382 3746073 4994764 7492146 14984292 58688477 91154443 117376954 176065431 182308886 234753908 273463329 352130862 364617772 546926658 704261724 1093853316 4284258821 8568517642 12852776463 17137035284 25705552926 51411105852