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12870528214 = 259109072273
BaseRepresentation
bin10111111110010010…
…01010110011010110
31020012222011120120011
423333021022303112
5202324323400324
65525044030434
7633641453605
oct137711126326
936188146504
1012870528214
115505094385
1225b239241a
1312a160c78b
148a14a5a3c
15504dc9c94
hex2ff24acd6

12870528214 has 8 divisors (see below), whose sum is σ = 19633009320. Its totient is φ = 6326191776.

The previous prime is 12870528211. The next prime is 12870528221. The reversal of 12870528214 is 41282507821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870528211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54536019 + ... + 54536254.

It is an arithmetic number, because the mean of its divisors is an integer number (2454126165).

Almost surely, 212870528214 is an apocalyptic number.

12870528214 is a deficient number, since it is larger than the sum of its proper divisors (6762481106).

12870528214 is a wasteful number, since it uses less digits than its factorization.

12870528214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109072334.

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 12870528214 in words is "twelve billion, eight hundred seventy million, five hundred twenty-eight thousand, two hundred fourteen".

Divisors: 1 2 59 118 109072273 218144546 6435264107 12870528214