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31002055355512 = 233875256919439
BaseRepresentation
bin1110000110010001110100…
…11111110010110001111000
311001202202201112122001200101
413003020322133302301320
513030414202132334022
6145534051515045144
76346552555361323
oct703107237626170
9131682645561611
1031002055355512
119972997031a6a
1235884a57407b4
13143b634494087
1479271677b7ba
1538b67bbd9627
hex1c323a7f2c78

31002055355512 has 8 divisors (see below), whose sum is σ = 58128853791600. Its totient is φ = 15501027677752.

The previous prime is 31002055355483. The next prime is 31002055355533. The reversal of 31002055355512 is 21555355020013.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×310020553555122 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937628459712 + ... + 1937628459727.

It is an arithmetic number, because the mean of its divisors is an integer number (7266106723950).

Almost surely, 231002055355512 is an apocalyptic number.

It is an amenable number.

31002055355512 is a deficient number, since it is larger than the sum of its proper divisors (27126798436088).

31002055355512 is a wasteful number, since it uses less digits than its factorization.

31002055355512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875256919445 (or 3875256919441 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 31002055355512 in words is "thirty-one trillion, two billion, fifty-five million, three hundred fifty-five thousand, five hundred twelve".

Divisors: 1 2 4 8 3875256919439 7750513838878 15501027677756 31002055355512