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214370816869 = 11412631807313
BaseRepresentation
bin1100011110100101111…
…1110001001101100101
3202111022212111211012001
43013221133301031211
512003012412114434
6242251450325301
721326210610166
oct3075137611545
9674285454161
10214370816869
1182a06812660
1235668429831
13172a46c2401
14a53892376d
155899e04114
hex31e97f1365

214370816869 has 16 divisors (see below), whose sum is σ = 240473971584. Its totient is φ = 189406297600.

The previous prime is 214370816851. The next prime is 214370816879. The reversal of 214370816869 is 968618073412.

It is a cyclic number.

It is not a de Polignac number, because 214370816869 - 213 = 214370808677 is a prime.

It is a super-2 number, since 2×2143708168692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214370816839) 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, 785044 + ... + 1022269.

It is an arithmetic number, because the mean of its divisors is an integer number (15029623224).

Almost surely, 2214370816869 is an apocalyptic number.

It is an amenable number.

214370816869 is a deficient number, since it is larger than the sum of its proper divisors (26103154715).

214370816869 is a wasteful number, since it uses less digits than its factorization.

214370816869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807628.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 214370816869 in words is "two hundred fourteen billion, three hundred seventy million, eight hundred sixteen thousand, eight hundred sixty-nine".

Divisors: 1 11 41 263 451 2893 10783 118613 1807313 19880443 74099833 475323319 815098163 5228556509 19488256079 214370816869