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130378874 = 21914923027
BaseRepresentation
bin1111100010101…
…10110001111010
3100002022221012012
413301112301322
5231334110444
620534245522
73142126223
oct761266172
9302287165
10130378874
116766063a
12377b68a2
132101c082
141345c24a
15b6a5b9e
hex7c56c7a

130378874 has 16 divisors (see below), whose sum is σ = 207252000. Its totient is φ = 61341264.

The previous prime is 130378819. The next prime is 130378877. The reversal of 130378874 is 478873031.

It is not an unprimeable number, because it can be changed into a prime (130378877) 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, 5852 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (12953250).

Almost surely, 2130378874 is an apocalyptic number.

130378874 is a deficient number, since it is larger than the sum of its proper divisors (76873126).

130378874 is a wasteful number, since it uses less digits than its factorization.

130378874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 130378874 is about 11418.3568870482. The cubic root of 130378874 is about 507.0713524866.

The spelling of 130378874 in words is "one hundred thirty million, three hundred seventy-eight thousand, eight hundred seventy-four".

Divisors: 1 2 19 38 149 298 2831 5662 23027 46054 437513 875026 3431023 6862046 65189437 130378874