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51552105416 = 2372131510473
BaseRepresentation
bin110000000000101111…
…101011001111001000
311221001202101021222122
4300000233223033020
51321034314333131
635403244310412
73503336444300
oct600057531710
9157052337878
1051552105416
111a9549018a9
129ba8842408
134b274a67b6
1426d0918600
15151ac82d7b
hexc00beb3c8

51552105416 has 24 divisors (see below), whose sum is σ = 112441455270. Its totient is φ = 22093759296.

The previous prime is 51552105377. The next prime is 51552105421. The reversal of 51552105416 is 61450125515.

It can be written as a sum of positive squares in only one way, i.e., 44624872516 + 6927232900 = 211246^2 + 83230^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65754845 + ... + 65755628.

Almost surely, 251552105416 is an apocalyptic number.

51552105416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51552105416 is an abundant number, since it is smaller than the sum of its proper divisors (60889349854).

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

51552105416 is a wasteful number, since it uses less digits than its factorization.

51552105416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131510493 (or 131510482 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 51552105416 in words is "fifty-one billion, five hundred fifty-two million, one hundred five thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 131510473 263020946 526041892 920573311 1052083784 1841146622 3682293244 6444013177 7364586488 12888026354 25776052708 51552105416