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130166426 = 2135006401
BaseRepresentation
bin1111100001000…
…10111010011010
3100001221010202202
413300202322122
5231310311201
620525530202
73140252645
oct760427232
9301833682
10130166426
1167525a65
1237713962
1320c76470
1413404a5c
15b662c6b
hex7c22e9a

130166426 has 8 divisors (see below), whose sum is σ = 210268884. Its totient is φ = 60076800.

The previous prime is 130166419. The next prime is 130166429. The reversal of 130166426 is 624661031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110355025 + 19811401 = 10505^2 + 4451^2 .

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

It is a super-2 number, since 2×1301664262 = 33886596915226952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130166429) 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, 2503175 + ... + 2503226.

Almost surely, 2130166426 is an apocalyptic number.

130166426 is a deficient number, since it is larger than the sum of its proper divisors (80102458).

130166426 is a wasteful number, since it uses less digits than its factorization.

130166426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006416.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 130166426 is about 11409.0501795724. The cubic root of 130166426 is about 506.7957841716.

The spelling of 130166426 in words is "one hundred thirty million, one hundred sixty-six thousand, four hundred twenty-six".

Divisors: 1 2 13 26 5006401 10012802 65083213 130166426