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20211012011202 = 2311513013997103
BaseRepresentation
bin1001001100001101111100…
…01100010000010011000010
32122120011011011210022122220
410212012332030100103002
510122114123033324302
6110552451041511510
74154124501355545
oct446067614202302
978504134708586
1020211012011202
116492495420241
122325043042596
13b37b75b7466c
144dc30aa5885c
15250b04e6d4bc
hex1261be3104c2

20211012011202 has 32 divisors (see below), whose sum is σ = 40458902077440. Its totient is φ = 6730858174800.

The previous prime is 20211012011171. The next prime is 20211012011231. The reversal of 20211012011202 is 20211021011202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208091383 + ... + 208188485.

It is an arithmetic number, because the mean of its divisors is an integer number (1264340689920).

Almost surely, 220211012011202 is an apocalyptic number.

20211012011202 is an abundant number, since it is smaller than the sum of its proper divisors (20247890066238).

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

20211012011202 is a wasteful number, since it uses less digits than its factorization.

20211012011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128398.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211012011202 its reverse (20211021011202), we get a palindrome (40422033022404).

Subtracting 20211012011202 from its reverse (20211021011202), we obtain a square (9000000 = 30002).

The spelling of 20211012011202 in words is "twenty trillion, two hundred eleven billion, twelve million, eleven thousand, two hundred two".

Divisors: 1 2 3 6 1151 2302 3453 6906 30139 60278 90417 97103 180834 194206 291309 582618 34689989 69379978 104069967 111765553 208139934 223531106 335296659 670593318 2926587317 5853174634 8779761951 17559523902 3368502001867 6737004003734 10105506005601 20211012011202