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130871429 = 1331324743
BaseRepresentation
bin1111100110011…
…11000010000101
3100010020221211222
413303033002011
5232000341204
620553010125
73146250233
oct763170205
9303227758
10130871429
1167967707
12379b3945
1321162320
1413549953
15b751abe
hex7ccf085

130871429 has 8 divisors (see below), whose sum is σ = 145485312. Its totient is φ = 116907120.

The previous prime is 130871417. The next prime is 130871431. The reversal of 130871429 is 924178031.

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

It is a cyclic number.

It is not a de Polignac number, because 130871429 - 212 = 130867333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130871929) 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, 161969 + ... + 162774.

It is an arithmetic number, because the mean of its divisors is an integer number (18185664).

Almost surely, 2130871429 is an apocalyptic number.

It is an amenable number.

130871429 is a deficient number, since it is larger than the sum of its proper divisors (14613883).

130871429 is a wasteful number, since it uses less digits than its factorization.

130871429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324787.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130871429 is about 11439.9051132429. The cubic root of 130871429 is about 507.7091006624.

The spelling of 130871429 in words is "one hundred thirty million, eight hundred seventy-one thousand, four hundred twenty-nine".

Divisors: 1 13 31 403 324743 4221659 10067033 130871429