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21112001012095 = 571931747369943
BaseRepresentation
bin1001100110011100001010…
…10100100010000101111111
32202202021202122112212001221
410303032011110202011333
510231344334224341340
6112522415215014211
74306202031456610
oct463160524420577
982667678485057
1021112001012095
1167aa605201044
12244b79250a367
13ba1b124b93a6
1452db7d527c07
1526928920744a
hex13338552217f

21112001012095 has 16 divisors (see below), whose sum is σ = 30477475146240. Its totient is φ = 13714863814944.

The previous prime is 21112001012093. The next prime is 21112001012147. The reversal of 21112001012095 is 59021010021112.

It is a cyclic number.

It is not a de Polignac number, because 21112001012095 - 21 = 21112001012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112001012093) 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, 15873684307 + ... + 15873685636.

It is an arithmetic number, because the mean of its divisors is an integer number (1904842196640).

Almost surely, 221112001012095 is an apocalyptic number.

21112001012095 is a deficient number, since it is larger than the sum of its proper divisors (9365474134145).

21112001012095 is a wasteful number, since it uses less digits than its factorization.

21112001012095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31747369974.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 21112001012095 in words is "twenty-one trillion, one hundred twelve billion, one million, twelve thousand, ninety-five".

Divisors: 1 5 7 19 35 95 133 665 31747369943 158736849715 222231589601 603200028917 1111157948005 3016000144585 4222400202419 21112001012095