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7839112845012 = 22343109139376873
BaseRepresentation
bin111001000010010111110…
…0010010101011011010100
31000202102010020211010000020
41302010233202111123110
52011414000342020022
624401123321545140
71436233344523311
oct162045742253324
930672106733006
107839112845012
112552604921439
12a673330451b0
1344b2c090a677
141d15b4dd3d08
15d8da768735c
hex7212f8956d4

7839112845012 has 48 divisors (see below), whose sum is σ = 18888353964480. Its totient is φ = 2528853965568.

The previous prime is 7839112844929. The next prime is 7839112845043. The reversal of 7839112845012 is 2105482119387.

It is a happy number.

It is a super-2 number, since 2×78391128450122 (a number of 27 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 in 15 ways as a sum of consecutive naturals, for example, 69632193 + ... + 69744680.

It is an arithmetic number, because the mean of its divisors is an integer number (393507374260).

Almost surely, 27839112845012 is an apocalyptic number.

It is an amenable number.

7839112845012 is an abundant number, since it is smaller than the sum of its proper divisors (11049241119468).

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

7839112845012 is a wasteful number, since it uses less digits than its factorization.

7839112845012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139377032 (or 139377030 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 7839112845012 in words is "seven trillion, eight hundred thirty-nine billion, one hundred twelve million, eight hundred forty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 43 86 109 129 172 218 258 327 436 516 654 1308 4687 9374 14061 18748 28122 56244 139376873 278753746 418130619 557507492 836261238 1672522476 5993205539 11986411078 15192079157 17979616617 23972822156 30384158314 35959233234 45576237471 60768316628 71918466468 91152474942 182304949884 653259403751 1306518807502 1959778211253 2613037615004 3919556422506 7839112845012