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120961768 = 2326956209
BaseRepresentation
bin1110011010110…
…11101011101000
322102121111100111
413031123223220
5221431234033
620000344104
72666105134
oct715335350
9272544314
10120961768
1162309404
1234615034
131c0a2915
14120ca3c4
15a9457cd
hex735bae8

120961768 has 16 divisors (see below), whose sum is σ = 227650500. Its totient is φ = 60254976.

The previous prime is 120961759. The next prime is 120961823. The reversal of 120961768 is 867169021.

It can be written as a sum of positive squares in 2 ways, for example, as 118330884 + 2630884 = 10878^2 + 1622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120961768.

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, 25953 + ... + 30256.

Almost surely, 2120961768 is an apocalyptic number.

It is an amenable number.

120961768 is a deficient number, since it is larger than the sum of its proper divisors (106688732).

120961768 is a wasteful number, since it uses less digits than its factorization.

120961768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56484 (or 56480 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 120961768 is about 10998.2620445232. The cubic root of 120961768 is about 494.5566454998.

The spelling of 120961768 in words is "one hundred twenty million, nine hundred sixty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 269 538 1076 2152 56209 112418 224836 449672 15120221 30240442 60480884 120961768