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79221930046 = 27121316972749
BaseRepresentation
bin100100111000111111…
…1101011100000111110
321120111010001000200021
41021301333223200332
52244221303230141
6100221040522354
75503123203040
oct1116177534076
9246433030607
1079221930046
1130663794666
121342b3203ba
137616b8c9ac
143b976bba90
1520da0296d1
hex1271feb83e

79221930046 has 32 divisors (see below), whose sum is σ = 136050552000. Its totient is φ = 33891941376.

The previous prime is 79221930019. The next prime is 79221930071. The reversal of 79221930046 is 64003912297.

It is a super-2 number, since 2×792219300462 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79221929984 and 79221930011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28817080 + ... + 28819828.

It is an arithmetic number, because the mean of its divisors is an integer number (4251579750).

Almost surely, 279221930046 is an apocalyptic number.

79221930046 is a deficient number, since it is larger than the sum of its proper divisors (56828621954).

79221930046 is a wasteful number, since it uses less digits than its factorization.

79221930046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 79221930046 in words is "seventy-nine billion, two hundred twenty-one million, nine hundred thirty thousand, forty-six".

Divisors: 1 2 7 14 1213 1697 2426 2749 3394 5498 8491 11879 16982 19243 23758 38486 2058461 3334537 4116922 4665053 6669074 9330106 14409227 23341759 28818454 32655371 46683518 65310742 5658709289 11317418578 39610965023 79221930046