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79353887672 = 239919235959
BaseRepresentation
bin100100111100111011…
…1000011101110111000
321120211022100011111202
41021321313003232320
52300004043401142
6100242113113332
75506314626123
oct1117167035670
9246738304452
1079353887672
1130721223354
1213467558848
137638312527
143bab02b3ba
1520e68e3032
hex1279dc3bb8

79353887672 has 8 divisors (see below), whose sum is σ = 148788539400. Its totient is φ = 39676943832.

The previous prime is 79353887663. The next prime is 79353887693. The reversal of 79353887672 is 27678835397.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 79353887599 and 79353887608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4959617972 + ... + 4959617987.

It is an arithmetic number, because the mean of its divisors is an integer number (18598567425).

Almost surely, 279353887672 is an apocalyptic number.

It is an amenable number.

79353887672 is a deficient number, since it is larger than the sum of its proper divisors (69434651728).

79353887672 is a wasteful number, since it uses less digits than its factorization.

79353887672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919235965 (or 9919235961 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 65.

The spelling of 79353887672 in words is "seventy-nine billion, three hundred fifty-three million, eight hundred eighty-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 9919235959 19838471918 39676943836 79353887672