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83970122756 = 22132106176673
BaseRepresentation
bin100111000110100000…
…0100110010000000100
322000202000121012120112
41032031000212100010
52333432322412011
6102324135052152
76031600160342
oct1161500462004
9260660535515
1083970122756
113267aa44073
1214335511058
137bc27c5390
1440c8152992
1522b6ce158b
hex138d026404

83970122756 has 24 divisors (see below), whose sum is σ = 158260963224. Its totient is φ = 38753095680.

The previous prime is 83970122741. The next prime is 83970122759. The reversal of 83970122756 is 65722107938.

It can be written as a sum of positive squares in 4 ways, for example, as 6026416900 + 77943705856 = 77630^2 + 279184^2 .

It is not an unprimeable number, because it can be changed into a prime (83970122759) 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, 1056836 + ... + 1133508.

It is an arithmetic number, because the mean of its divisors is an integer number (6594206801).

Almost surely, 283970122756 is an apocalyptic number.

It is an amenable number.

83970122756 is a deficient number, since it is larger than the sum of its proper divisors (74290840468).

83970122756 is a wasteful number, since it uses less digits than its factorization.

83970122756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97751 (or 97749 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 83970122756 in words is "eighty-three billion, nine hundred seventy million, one hundred twenty-two thousand, seven hundred fifty-six".

Divisors: 1 2 4 13 26 52 21061 42122 76673 84244 153346 273793 306692 547586 996749 1095172 1993498 3986996 1614810053 3229620106 6459240212 20992530689 41985061378 83970122756