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187530870613 = 3110756536289
BaseRepresentation
bin1010111010100110110…
…1011111111101010101
3122221001100102021121111
42232221231133331111
511033030400324423
6222052301215021
716356122046052
oct2565155377525
9587040367544
10187530870613
1172593318799
1230417861471
13148b7c208c8
149110066029
154d2893760d
hex2ba9b5ff55

187530870613 has 8 divisors (see below), whose sum is σ = 195389418240. Its totient is φ = 179785395840.

The previous prime is 187530870601. The next prime is 187530870727. The reversal of 187530870613 is 316078035781.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-187530870613 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 (187530870013) 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, 28264828 + ... + 28271461.

It is an arithmetic number, because the mean of its divisors is an integer number (24423677280).

Almost surely, 2187530870613 is an apocalyptic number.

It is an amenable number.

187530870613 is a deficient number, since it is larger than the sum of its proper divisors (7858547627).

187530870613 is a wasteful number, since it uses less digits than its factorization.

187530870613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56536427.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 187530870613 in words is "one hundred eighty-seven billion, five hundred thirty million, eight hundred seventy thousand, six hundred thirteen".

Divisors: 1 31 107 3317 56536289 1752624959 6049382923 187530870613