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130232678 = 2292245391
BaseRepresentation
bin1111100001100…
…11000101100110
3100002001111122112
413300303011212
5231314421203
620531201022
73140650052
oct760630546
9302044575
10130232678
1167570814
1237746172
1320c9a674
1413420c62
15b6776d8
hex7c33166

130232678 has 8 divisors (see below), whose sum is σ = 202085280. Its totient is φ = 62870920.

The previous prime is 130232677. The next prime is 130232717. The reversal of 130232678 is 876232031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130232671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122638 + ... + 1122753.

It is an arithmetic number, because the mean of its divisors is an integer number (25260660).

Almost surely, 2130232678 is an apocalyptic number.

130232678 is a deficient number, since it is larger than the sum of its proper divisors (71852602).

130232678 is a wasteful number, since it uses less digits than its factorization.

130232678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245422.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 130232678 is about 11411.9532946819. The cubic root of 130232678 is about 506.8817524211.

The spelling of 130232678 in words is "one hundred thirty million, two hundred thirty-two thousand, six hundred seventy-eight".

Divisors: 1 2 29 58 2245391 4490782 65116339 130232678