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12712034258 = 2711475213371
BaseRepresentation
bin10111101011011001…
…00011111111010010
31012210220221020201122
423311230203333102
5202013240044013
65501223002242
7630005336240
oct136554437722
935726836648
1012712034258
115433680540
122569299382
131277828681
14888409790
154e601da08
hex2f5b23fd2

12712034258 has 64 divisors (see below), whose sum is σ = 24332783616. Its totient is φ = 4836624000.

The previous prime is 12712034239. The next prime is 12712034287. The reversal of 12712034258 is 85243021721.

It is a super-2 number, since 2×127120342582 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3769313 + ... + 3772683.

It is an arithmetic number, because the mean of its divisors is an integer number (380199744).

Almost surely, 212712034258 is an apocalyptic number.

12712034258 is a deficient number, since it is larger than the sum of its proper divisors (11620749358).

12712034258 is a wasteful number, since it uses less digits than its factorization.

12712034258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 12712034258 its reverse (85243021721), we get a palindrome (97955055979).

The spelling of 12712034258 in words is "twelve billion, seven hundred twelve million, thirty-four thousand, two hundred fifty-eight".

Divisors: 1 2 7 11 14 22 47 77 94 154 329 517 521 658 1034 1042 3371 3619 3647 5731 6742 7238 7294 11462 23597 24487 37081 40117 47194 48974 74162 80234 158437 171409 259567 269357 316874 342818 519134 538714 1109059 1742807 1756291 1885499 2218118 3485614 3512582 3770998 12199649 12294037 19319201 24399298 24588074 38638402 82545677 135234407 165091354 270468814 577819739 908002447 1155639478 1816004894 6356017129 12712034258