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12582869152 = 257243431433
BaseRepresentation
bin10111011011111111…
…10101100010100000
31012110220212222111211
423231333311202200
5201232203303102
65440330315504
7623546423500
oct135577654240
935426788454
1012582869152
115377779917
122531b88b94
131256b42c09
148751c5a00
154d9a077d7
hex2edff58a0

12582869152 has 144 divisors (see below), whose sum is σ = 29623853952. Its totient is φ = 5242890240.

The previous prime is 12582869137. The next prime is 12582869153. The reversal of 12582869152 is 25196828521.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 12582869096 and 12582869105.

It is not an unprimeable number, because it can be changed into a prime (12582869153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29059528 + ... + 29059960.

It is an arithmetic number, because the mean of its divisors is an integer number (205721208).

Almost surely, 212582869152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12582869152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14811926976).

12582869152 is an abundant number, since it is smaller than the sum of its proper divisors (17040984800).

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

12582869152 is a wasteful number, since it uses less digits than its factorization.

12582869152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 916 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The spelling of 12582869152 in words is "twelve billion, five hundred eighty-two million, eight hundred sixty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 43 49 56 86 98 112 172 196 224 301 344 392 431 433 602 688 784 862 866 1204 1376 1568 1724 1732 2107 2408 3017 3031 3448 3464 4214 4816 6034 6062 6896 6928 8428 9632 12068 12124 13792 13856 16856 18533 18619 21119 21217 24136 24248 33712 37066 37238 42238 42434 48272 48496 67424 74132 74476 84476 84868 96544 96992 129731 130333 148264 148952 168952 169736 186623 259462 260666 296528 297904 337904 339472 373246 518924 521332 593056 595808 675808 678944 746492 908117 912331 1037848 1042664 1306361 1492984 1816234 1824662 2075696 2085328 2612722 2985968 3632468 3649324 4151392 4170656 5225444 5971936 7264936 7298648 8024789 9144527 10450888 14529872 14597296 16049578 18289054 20901776 29059744 29194592 32099156 36578108 41803552 56173523 64198312 73156216 112347046 128396624 146312432 224694092 256793248 292624864 393214661 449388184 786429322 898776368 1572858644 1797552736 3145717288 6291434576 12582869152