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22121211034 = 2139730728571
BaseRepresentation
bin10100100110100001…
…101110010010011010
32010002122221221202101
4110212201232102122
5330301012223114
614055022154014
71412120122426
oct244641562232
963078857671
1022121211034
11942193529a
12435442290a
132116cb11b0
1410dbcd3b86
158970c2d74
hex52686e49a

22121211034 has 32 divisors (see below), whose sum is σ = 36221524416. Its totient is φ = 10071267840.

The previous prime is 22121211031. The next prime is 22121211041. The reversal of 22121211034 is 43011212122.

It is a super-2 number, since 2×221212110342 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121211031) 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, 759969 + ... + 788539.

It is an arithmetic number, because the mean of its divisors is an integer number (1131922638).

Almost surely, 222121211034 is an apocalyptic number.

22121211034 is a deficient number, since it is larger than the sum of its proper divisors (14100313382).

22121211034 is a wasteful number, since it uses less digits than its factorization.

22121211034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22121211034 its reverse (43011212122), we get a palindrome (65132423156).

The spelling of 22121211034 in words is "twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, thirty-four".

Divisors: 1 2 13 26 97 194 307 614 1261 2522 3991 7982 28571 29779 57142 59558 371423 387127 742846 774254 2771387 5542774 8771297 17542594 36028031 72056062 114026861 228053722 850815809 1701631618 11060605517 22121211034