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2131111133210 = 252137283335201
BaseRepresentation
bin11111000000110000000…
…111110100000000011010
321112201202210120111210202
4133000300013310000122
5234404003422230320
64311004031342202
7306652630514603
oct37006007640032
97481683514722
102131111133210
11751887749824
122a5034981962
13125c696b7177
1475209754daa
153a67d675b75
hex1f0301f401a

2131111133210 has 32 divisors (see below), whose sum is σ = 3839258818512. Its totient is φ = 851720601600.

The previous prime is 2131111133197. The next prime is 2131111133251. The reversal of 2131111133210 is 123311111312.

It can be written as a sum of positive squares in 8 ways, for example, as 344560782049 + 1786550351161 = 586993^2 + 1336619^2 .

It is a super-2 number, since 2×21311111332102 (a number of 25 digits) contains 22 as substring.

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, 60523610 + ... + 60558810.

Almost surely, 22131111133210 is an apocalyptic number.

2131111133210 is a deficient number, since it is larger than the sum of its proper divisors (1708147685302).

2131111133210 is a wasteful number, since it uses less digits than its factorization.

2131111133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40178.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 2131111133210 its reverse (123311111312), we get a palindrome (2254422244522).

The spelling of 2131111133210 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, one hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 2137 2833 4274 5666 10685 14165 21370 28330 35201 70402 176005 352010 6054121 12108242 30270605 60541210 75224537 99724433 150449074 199448866 376122685 498622165 752245370 997244330 213111113321 426222226642 1065555566605 2131111133210