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2131333122020 = 225251424568351
BaseRepresentation
bin11111000000111101010…
…110101000011111100100
321112202100021021201012112
4133000331112220133210
5234404432234401040
64311042041340152
7306661264423364
oct37007526503744
97482307251175
102131333122020
11751990a90253
122a5097197658
13125ca369cbab
147522b01c9a4
153a692dc5365
hex1f03d5a87e4

2131333122020 has 24 divisors (see below), whose sum is σ = 4493631437568. Its totient is φ = 849136700000.

The previous prime is 2131333122019. The next prime is 2131333122031. The reversal of 2131333122020 is 202213331312.

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, 212279156 + ... + 212289195.

It is an arithmetic number, because the mean of its divisors is an integer number (187234643232).

Almost surely, 22131333122020 is an apocalyptic number.

2131333122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131333122020 is an abundant number, since it is smaller than the sum of its proper divisors (2362298315548).

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

2131333122020 is a wasteful number, since it uses less digits than its factorization.

2131333122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424568611 (or 424568609 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2131333122020 its reverse (202213331312), we get a palindrome (2333546453332).

The spelling of 2131333122020 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-three million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 2510 5020 424568351 849136702 1698273404 2122841755 4245683510 8491367020 106566656101 213133312202 426266624404 532833280505 1065666561010 2131333122020