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21514530512030 = 2510320887893701
BaseRepresentation
bin1001110010001001111011…
…11100101101110010011110
32211011202202121211010122112
410321010331330231302132
510304443224302341110
6113431345555114022
74350242056663163
oct471047574556236
984152677733575
1021514530512030
116945296656156
1224b57b08a2912
13c00a71bb534a
1454544761a06a
15274997c07405
hex13913df2dc9e

21514530512030 has 16 divisors (see below), whose sum is σ = 39102137010144. Its totient is φ = 8522260629600.

The previous prime is 21514530512017. The next prime is 21514530512053. The reversal of 21514530512030 is 3021503541512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443945821 + ... + 10443947880.

It is an arithmetic number, because the mean of its divisors is an integer number (2443883563134).

Almost surely, 221514530512030 is an apocalyptic number.

21514530512030 is a deficient number, since it is larger than the sum of its proper divisors (17587606498114).

21514530512030 is a wasteful number, since it uses less digits than its factorization.

21514530512030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887893811.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 21514530512030 in words is "twenty-one trillion, five hundred fourteen billion, five hundred thirty million, five hundred twelve thousand, thirty".

Divisors: 1 2 5 10 103 206 515 1030 20887893701 41775787402 104439468505 208878937010 2151453051203 4302906102406 10757265256015 21514530512030