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12756143734 = 2195923324419
BaseRepresentation
bin10111110000101001…
…10100111001110110
31012220222221020112221
423320110310321312
5202111033044414
65505440232554
7631052301265
oct137024647166
935828836487
1012756143734
115456568654
12258000b75a
131283a00859
1489020c5dc
154e9d33224
hex2f8534e76

12756143734 has 32 divisors (see below), whose sum is σ = 20571408000. Its totient is φ = 5914234944.

The previous prime is 12756143713. The next prime is 12756143773. The reversal of 12756143734 is 43734165721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510177 + ... + 534595.

It is an arithmetic number, because the mean of its divisors is an integer number (642856500).

Almost surely, 212756143734 is an apocalyptic number.

12756143734 is a deficient number, since it is larger than the sum of its proper divisors (7815264266).

12756143734 is a wasteful number, since it uses less digits than its factorization.

12756143734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24732.

The product of its digits is 423360, while the sum is 43.

The spelling of 12756143734 in words is "twelve billion, seven hundred fifty-six million, one hundred forty-three thousand, seven hundred thirty-four".

Divisors: 1 2 19 38 59 118 233 466 1121 2242 4427 8854 13747 24419 27494 48838 261193 463961 522386 927922 1440721 2881442 5689627 11379254 27373699 54747398 108102913 216205826 335687993 671375986 6378071867 12756143734