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130673962 = 265336981
BaseRepresentation
bin1111100100111…
…10110100101010
3100002212220222101
413302132310222
5231423031322
620544444014
73144465436
oct762366452
9302786871
10130673962
1167842311
123791960a
13210c3493
14134d79c6
15b713327
hex7c9ed2a

130673962 has 4 divisors (see below), whose sum is σ = 196010946. Its totient is φ = 65336980.

The previous prime is 130673957. The next prime is 130673981. The reversal of 130673962 is 269376031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 269376031 = 1072517533.

It can be written as a sum of positive squares in only one way, i.e., 128799801 + 1874161 = 11349^2 + 1369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32668489 + ... + 32668492.

Almost surely, 2130673962 is an apocalyptic number.

130673962 is a deficient number, since it is larger than the sum of its proper divisors (65336984).

130673962 is an equidigital number, since it uses as much as digits as its factorization.

130673962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65336983.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 130673962 is about 11431.2712328944. The cubic root of 130673962 is about 507.4536177045.

The spelling of 130673962 in words is "one hundred thirty million, six hundred seventy-three thousand, nine hundred sixty-two".

Divisors: 1 2 65336981 130673962