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79288365428 = 2223861830059
BaseRepresentation
bin100100111010111110…
…1000111000101110100
321120122202001021212222
41021311331013011310
52244340310143203
6100231412501512
75504560662146
oct1116575070564
9246582037788
1079288365428
1130698240538
121344961a898
137627880b7c
143ba2452c96
1520e0c9e038
hex1275f47174

79288365428 has 12 divisors (see below), whose sum is σ = 144787450080. Its totient is φ = 37920522552.

The previous prime is 79288365407. The next prime is 79288365461. The reversal of 79288365428 is 82456388297.

It is a congruent number.

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, 430914938 + ... + 430915121.

It is an arithmetic number, because the mean of its divisors is an integer number (12065620840).

Almost surely, 279288365428 is an apocalyptic number.

It is an amenable number.

79288365428 is a deficient number, since it is larger than the sum of its proper divisors (65499084652).

79288365428 is a wasteful number, since it uses less digits than its factorization.

79288365428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861830086 (or 861830084 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 62.

The spelling of 79288365428 in words is "seventy-nine billion, two hundred eighty-eight million, three hundred sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 23 46 92 861830059 1723660118 3447320236 19822091357 39644182714 79288365428