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130954893 = 31723111641
BaseRepresentation
bin1111100111000…
…11011010001101
3100010102012100020
413303203122031
5232011024033
620554452353
73150045456
oct763433215
9303365306
10130954893
1167a14393
1237a340b9
1321191304
141356c12d
15b76b6b3
hex7ce368d

130954893 has 16 divisors (see below), whose sum is σ = 192917376. Its totient is φ = 78594560.

The previous prime is 130954871. The next prime is 130954931. The reversal of 130954893 is 398459031.

It is a cyclic number.

It is not a de Polignac number, because 130954893 - 217 = 130823821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130954843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54648 + ... + 56993.

It is an arithmetic number, because the mean of its divisors is an integer number (12057336).

Almost surely, 2130954893 is an apocalyptic number.

It is an amenable number.

130954893 is a deficient number, since it is larger than the sum of its proper divisors (61962483).

130954893 is a wasteful number, since it uses less digits than its factorization.

130954893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111684.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 130954893 is about 11443.5524641608. The cubic root of 130954893 is about 507.8170091838.

The spelling of 130954893 in words is "one hundred thirty million, nine hundred fifty-four thousand, eight hundred ninety-three".

Divisors: 1 3 17 23 51 69 391 1173 111641 334923 1897897 2567743 5693691 7703229 43651631 130954893