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130771361 = 7173135449
BaseRepresentation
bin1111100101101…
…10100110100001
3100010001212120202
413302312212201
5231434140421
620550514545
73145352420
oct762664641
9303055522
10130771361
11678a9506
1237965a55
1321128906
14135212b7
15b73210b
hex7cb69a1

130771361 has 16 divisors (see below), whose sum is σ = 163353600. Its totient is φ = 102090240.

The previous prime is 130771331. The next prime is 130771363. The reversal of 130771361 is 163177031.

It is not a de Polignac number, because 130771361 - 222 = 126577057 is a prime.

It is a super-2 number, since 2×1307713612 = 34202297715584642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130771363) 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, 14036 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (10209600).

Almost surely, 2130771361 is an apocalyptic number.

It is an amenable number.

130771361 is a deficient number, since it is larger than the sum of its proper divisors (32582239).

130771361 is a wasteful number, since it uses less digits than its factorization.

130771361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35504.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 130771361 is about 11435.5306391964. The cubic root of 130771361 is about 507.5796647490.

The spelling of 130771361 in words is "one hundred thirty million, seven hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 7 17 31 119 217 527 3689 35449 248143 602633 1098919 4218431 7692433 18681623 130771361