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12968279100 = 22325272058457
BaseRepresentation
bin11000001001111100…
…00011110000111100
31020110210002211120100
430010332003300330
5203024334412400
65542455121100
7636236360610
oct140476036074
936423084510
1012968279100
11555528a037
12261b073190
1312b894663a
148b046d340
1550d788100
hex304f83c3c

12968279100 has 108 divisors (see below), whose sum is σ = 46455280144. Its totient is φ = 2964176640.

The previous prime is 12968279087. The next prime is 12968279143. The reversal of 12968279100 is 197286921.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1022929 + ... + 1035528.

Almost surely, 212968279100 is an apocalyptic number.

12968279100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12968279100 is an abundant number, since it is smaller than the sum of its proper divisors (33487001044).

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

12968279100 is a wasteful number, since it uses less digits than its factorization.

12968279100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058484 (or 2058474 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 12968279100 in words is "twelve billion, nine hundred sixty-eight million, two hundred seventy-nine thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 50 60 63 70 75 84 90 100 105 126 140 150 175 180 210 225 252 300 315 350 420 450 525 630 700 900 1050 1260 1575 2100 3150 6300 2058457 4116914 6175371 8233828 10292285 12350742 14409199 18526113 20584570 24701484 28818398 30876855 37052226 41169140 43227597 51461425 57636796 61753710 72045995 74104452 86455194 92630565 102922850 123507420 129682791 144091990 154384275 172910388 185261130 205845700 216137985 259365582 288183980 308768550 360229975 370522260 432275970 463152825 518731164 617537100 648413955 720459950 864551940 926305650 1080689925 1296827910 1440919900 1852611300 2161379850 2593655820 3242069775 4322759700 6484139550 12968279100