Search a number
-
+
671130513669 = 37113678778977
BaseRepresentation
bin10011100010000100111…
…11101111000100000101
32101011022020110112120110
421301002133233010011
541443433402414134
61232151344023233
766326145145620
oct11610237570405
92334266415513
10671130513669
11239696751290
12aa0a0301b19
134b39737a555
14246a909cdb7
15126ce8407e9
hex9c427ef105

671130513669 has 32 divisors (see below), whose sum is σ = 1115689982976. Its totient is φ = 348625336320.

The previous prime is 671130513659. The next prime is 671130513733. The reversal of 671130513669 is 966315031176.

It is not a de Polignac number, because 671130513669 - 27 = 671130513541 is a prime.

It is a super-2 number, since 2×6711305136692 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671130513659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8458309 + ... + 8537285.

It is an arithmetic number, because the mean of its divisors is an integer number (34865311968).

Almost surely, 2671130513669 is an apocalyptic number.

It is an amenable number.

671130513669 is a deficient number, since it is larger than the sum of its proper divisors (444559469307).

671130513669 is a wasteful number, since it uses less digits than its factorization.

671130513669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115785.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 671130513669 in words is "six hundred seventy-one billion, one hundred thirty million, five hundred thirteen thousand, six hundred sixty-nine".

Divisors: 1 3 7 11 21 33 77 231 36787 78977 110361 236931 257509 404657 552839 772527 868747 1213971 1658517 2606241 2832599 6081229 8497797 18243687 2905326899 8715980697 20337288293 31958595889 61011864879 95875787667 223710171223 671130513669