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130214892 = 22310851241
BaseRepresentation
bin1111100001011…
…10101111101100
3100002000121020210
413300232233230
5231313334032
620530542420
73140544153
oct760565754
9302017223
10130214892
1167559415
1237737a10
1320c92542
141341859a
15b6722cc
hex7c2ebec

130214892 has 12 divisors (see below), whose sum is σ = 303834776. Its totient is φ = 43404960.

The previous prime is 130214881. The next prime is 130214897. The reversal of 130214892 is 298412031.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (130214897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425609 + ... + 5425632.

Almost surely, 2130214892 is an apocalyptic number.

130214892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130214892 is an abundant number, since it is smaller than the sum of its proper divisors (173619884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130214892 is a wasteful number, since it uses less digits than its factorization.

130214892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851248 (or 10851246 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 130214892 is about 11411.1739974465. The cubic root of 130214892 is about 506.8586762638.

The spelling of 130214892 in words is "one hundred thirty million, two hundred fourteen thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 10851241 21702482 32553723 43404964 65107446 130214892