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2131211202110 = 251712536536483
BaseRepresentation
bin11111000000110110000…
…101100010111000111110
321112202000202212112112022
4133000312011202320332
5234404210031431420
64311022004240142
7306655254214634
oct37006605427076
97482022775468
102131211202110
11751929187aa1
122a50623a0052
13125c84353133
1475218b63354
153a687340c25
hex1f036162e3e

2131211202110 has 16 divisors (see below), whose sum is σ = 4061837820816. Its totient is φ = 802338334848.

The previous prime is 2131211202101. The next prime is 2131211202143. The reversal of 2131211202110 is 112021121312.

It is a happy number.

It is a super-2 number, since 2×21312112021102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 6268268072 + ... + 6268268411.

It is an arithmetic number, because the mean of its divisors is an integer number (253864863801).

Almost surely, 22131211202110 is an apocalyptic number.

2131211202110 is a deficient number, since it is larger than the sum of its proper divisors (1930626618706).

2131211202110 is a wasteful number, since it uses less digits than its factorization.

2131211202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536536507.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2131211202110 its reverse (112021121312), we get a palindrome (2243232323422).

The spelling of 2131211202110 in words is "two trillion, one hundred thirty-one billion, two hundred eleven million, two hundred two thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 170 12536536483 25073072966 62682682415 125365364830 213121120211 426242240422 1065605601055 2131211202110