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12625923890 = 2519591517459
BaseRepresentation
bin10111100001001000…
…00100111100110010
31012120220220101111202
423300210010330302
5201324214031030
65444505211202
7624611403506
oct136044047462
935526811452
1012625923890
11539a006548
122544490b02
131262a38ca8
1487abd2306
154dd6ae745
hex2f0904f32

12625923890 has 64 divisors (see below), whose sum is σ = 24492672000. Its totient is φ = 4671691200.

The previous prime is 12625923881. The next prime is 12625923901. The reversal of 12625923890 is 9832952621.

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, 1688981 + ... + 1696439.

It is an arithmetic number, because the mean of its divisors is an integer number (382698000).

Almost surely, 212625923890 is an apocalyptic number.

12625923890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12625923890 is a deficient number, since it is larger than the sum of its proper divisors (11866748110).

12625923890 is a wasteful number, since it uses less digits than its factorization.

12625923890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 12625923890 in words is "twelve billion, six hundred twenty-five million, nine hundred twenty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 59 95 118 151 190 295 302 590 755 1121 1510 2242 2869 5605 5738 7459 8909 11210 14345 14918 17818 28690 37295 44545 74590 89090 141721 169271 283442 338542 440081 708605 846355 880162 1126309 1417210 1692710 2200405 2252618 4400810 5631545 8361539 11263090 16723078 21399871 41807695 42799742 66452231 83615390 106999355 132904462 213998710 332261155 664522310 1262592389 2525184778 6312961945 12625923890