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79298445868 = 22232132340423
BaseRepresentation
bin100100111011010001…
…1100100001000101100
321120200110000102122121
41021312203210020230
52244400400231433
6100232412522324
75505042445165
oct1116643441054
9246613012577
1079298445868
11306a29a6084
1213450a803a4
1376299a0225
143ba391876c
1520e1ae0c2d
hex12768e422c

79298445868 has 24 divisors (see below), whose sum is σ = 144816231168. Its totient is φ = 37922626896.

The previous prime is 79298445851. The next prime is 79298445869. The reversal of 79298445868 is 86854489297.

It is a junction number, because it is equal to n+sod(n) for n = 79298445797 and 79298445806.

It is not an unprimeable number, because it can be changed into a prime (79298445869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941505 + ... + 1981927.

It is an arithmetic number, because the mean of its divisors is an integer number (6034009632).

Almost surely, 279298445868 is an apocalyptic number.

It is an amenable number.

79298445868 is a deficient number, since it is larger than the sum of its proper divisors (65517785300).

79298445868 is a wasteful number, since it uses less digits than its factorization.

79298445868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61773 (or 61771 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 70.

The spelling of 79298445868 in words is "seventy-nine billion, two hundred ninety-eight million, four hundred forty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 23 46 92 21323 40423 42646 80846 85292 161692 490429 929729 980858 1859458 1961716 3718916 861939629 1723879258 3447758516 19824611467 39649222934 79298445868