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2131210255052 = 221069846158907
BaseRepresentation
bin11111000000110110000…
…001111011101011001100
321112202000201002102102002
4133000312001323223030
5234404204311130202
64311021532051432
7306655243161554
oct37006601735314
97482021072362
102131210255052
117519286a04aa
122a5062003b78
13125c840b1048
1475218998164
153a687205302
hex1f03607bacc

2131210255052 has 24 divisors (see below), whose sum is σ = 3733611425040. Its totient is φ = 1064464407360.

The previous prime is 2131210255043. The next prime is 2131210255103. The reversal of 2131210255052 is 2505520121312.

It is a happy 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, 36149783 + ... + 36208689.

It is an arithmetic number, because the mean of its divisors is an integer number (155567142710).

Almost surely, 22131210255052 is an apocalyptic number.

It is an amenable number.

2131210255052 is a deficient number, since it is larger than the sum of its proper divisors (1602401169988).

2131210255052 is a wasteful number, since it uses less digits than its factorization.

2131210255052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68441 (or 68439 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 2131210255052 its reverse (2505520121312), we get a palindrome (4636730376364).

The spelling of 2131210255052 in words is "two trillion, one hundred thirty-one billion, two hundred ten million, two hundred fifty-five thousand, fifty-two".

Divisors: 1 2 4 1069 2138 4276 8461 16922 33844 58907 117814 235628 9044809 18089618 36179236 62971583 125943166 251886332 498412127 996824254 1993648508 532802563763 1065605127526 2131210255052