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79309452352 = 261395323861
BaseRepresentation
bin100100111011100110…
…1100011010001000000
321120201012201121201011
41021313031203101000
52244411204433402
6100233444450304
75505235136104
oct1116715432100
9246635647634
1079309452352
11306a9133449
12134546a9994
13762c054c40
143ba5181904
1520e2a66ed7
hex1277363440

79309452352 has 28 divisors (see below), whose sum is σ = 169485826636. Its totient is φ = 36604362240.

The previous prime is 79309452347. The next prime is 79309452389. The reversal of 79309452352 is 25325490397.

It can be written as a sum of positive squares in 2 ways, for example, as 47688077376 + 31621374976 = 218376^2 + 177824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79309452296 and 79309452305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47661099 + ... + 47662762.

It is an arithmetic number, because the mean of its divisors is an integer number (6053065237).

Almost surely, 279309452352 is an apocalyptic number.

It is an amenable number.

79309452352 is an abundant number, since it is smaller than the sum of its proper divisors (90176374284).

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

79309452352 is a wasteful number, since it uses less digits than its factorization.

79309452352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95323886 (or 95323876 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 79309452352 in words is "seventy-nine billion, three hundred nine million, four hundred fifty-two thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 95323861 190647722 381295444 762590888 1239210193 1525181776 2478420386 3050363552 4956840772 6100727104 9913681544 19827363088 39654726176 79309452352