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18497506995214 = 2132122813351419
BaseRepresentation
bin1000011010010110010010…
…10101010110110000001110
32102111100022001210121021121
410031023021111112300032
54411030343242321324
6103201345402351154
73616254316140532
oct415131125266016
972440261717247
1018497506995214
115991826519315
1220a8b357bb4ba
13a423cc549c90
1447d3d9881bc2
15221268be35e4
hex10d2c9556c0e

18497506995214 has 16 divisors (see below), whose sum is σ = 29880737898480. Its totient is φ = 8537268156480.

The previous prime is 18497506995211. The next prime is 18497506995217. The reversal of 18497506995214 is 41259960579481.

It is an interprime number because it is at equal distance from previous prime (18497506995211) and next prime (18497506995217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18497506995211) 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, 3843597 + ... + 7195015.

It is an arithmetic number, because the mean of its divisors is an integer number (1867546118655).

Almost surely, 218497506995214 is an apocalyptic number.

18497506995214 is a deficient number, since it is larger than the sum of its proper divisors (11383230903266).

18497506995214 is a wasteful number, since it uses less digits than its factorization.

18497506995214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563715.

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 18497506995214 in words is "eighteen trillion, four hundred ninety-seven billion, five hundred six million, nine hundred ninety-five thousand, two hundred fourteen".

Divisors: 1 2 13 26 212281 424562 2759653 3351419 5519306 6702838 43568447 87136894 711442576739 1422885153478 9248753497607 18497506995214