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130155772 = 22211154213
BaseRepresentation
bin1111100001000…
…00010011111100
3100001220121011011
413300200103330
5231304441042
620525405004
73140206615
oct760402374
9301817134
10130155772
1167518a5a
1237709764
1320c71666
1413400c0c
15b65ea17
hex7c204fc

130155772 has 12 divisors (see below), whose sum is σ = 228853576. Its totient is φ = 64769040.

The previous prime is 130155769. The next prime is 130155787. The reversal of 130155772 is 277551031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76263 + ... + 77950.

Almost surely, 2130155772 is an apocalyptic number.

It is an amenable number.

130155772 is a deficient number, since it is larger than the sum of its proper divisors (98697804).

130155772 is a wasteful number, since it uses less digits than its factorization.

130155772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154428 (or 154426 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 130155772 is about 11408.5832599846. The cubic root of 130155772 is about 506.7819568743.

The spelling of 130155772 in words is "one hundred thirty million, one hundred fifty-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 211 422 844 154213 308426 616852 32538943 65077886 130155772