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215514045293 = 4714513160169
BaseRepresentation
bin1100100010110110100…
…0110101101101101101
3202121021112200211202112
43020231220311231231
512012333043422133
6243001125533405
721366432105521
oct3105550655555
9677245624675
10215514045293
1183443073038
1235927274265
13174274ca231
14a6066b5d81
155915478648
hex322da35b6d

215514045293 has 8 divisors (see below), whose sum is σ = 220251208320. Its totient is φ = 210783205600.

The previous prime is 215514045251. The next prime is 215514045301. The reversal of 215514045293 is 392540415512.

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

It is a cyclic number.

It is not a de Polignac number, because 215514045293 - 232 = 211219077997 is a prime.

It is a super-3 number, since 3×2155140452933 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215514045293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215514045203) 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, 1511888 + ... + 1648281.

It is an arithmetic number, because the mean of its divisors is an integer number (27531401040).

Almost surely, 2215514045293 is an apocalyptic number.

It is an amenable number.

215514045293 is a deficient number, since it is larger than the sum of its proper divisors (4737163027).

215514045293 is a wasteful number, since it uses less digits than its factorization.

215514045293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161667.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 215514045293 in words is "two hundred fifteen billion, five hundred fourteen million, forty-five thousand, two hundred ninety-three".

Divisors: 1 47 1451 68197 3160169 148527943 4585405219 215514045293