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21202211201332 = 2271744542460507
BaseRepresentation
bin1001101001000100001100…
…10001000110000100110100
32210001220121112221021121211
410310202012101012010310
510234334112031420312
6113032054504251204
74315544362436020
oct464420621060464
983056545837554
1021202211201332
116834897534447
122465169770b04
13baa48aa226a5
1453429a2db380
1526b7b8c523a7
hex134886446134

21202211201332 has 24 divisors (see below), whose sum is σ = 44898800192064. Its totient is φ = 8552152417152.

The previous prime is 21202211201267. The next prime is 21202211201359. The reversal of 21202211201332 is 23310211220212.

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, 22271229778 + ... + 22271230729.

It is an arithmetic number, because the mean of its divisors is an integer number (1870783341336).

Almost surely, 221202211201332 is an apocalyptic number.

It is an amenable number.

21202211201332 is an abundant number, since it is smaller than the sum of its proper divisors (23696588990732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21202211201332 is a wasteful number, since it uses less digits than its factorization.

21202211201332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44542460535 (or 44542460533 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21202211201332 its reverse (23310211220212), we get a palindrome (44512422421544).

The spelling of 21202211201332 in words is "twenty-one trillion, two hundred two billion, two hundred eleven million, two hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 44542460507 89084921014 178169842028 311797223549 623594447098 757221828619 1247188894196 1514443657238 3028887314476 5300552800333 10601105600666 21202211201332