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11939114280 = 23351721127737
BaseRepresentation
bin10110001111010000…
…00110110100101000
31010211001112211211210
423013220012310220
5143422403124110
65252412353120
7601601540232
oct130750066450
933731484753
1011939114280
1150773562a5
1223924757a0
131183667682
148138cd252
1549d245520
hex2c7a06d28

11939114280 has 128 divisors (see below), whose sum is σ = 38105354880. Its totient is φ = 2982174720.

The previous prime is 11939114279. The next prime is 11939114281. The reversal of 11939114280 is 8241193911.

It is an interprime number because it is at equal distance from previous prime (11939114279) and next prime (11939114281).

It is not an unprimeable number, because it can be changed into a prime (11939114281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416572 + ... + 444308.

It is an arithmetic number, because the mean of its divisors is an integer number (297698085).

Almost surely, 211939114280 is an apocalyptic number.

11939114280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11939114280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19052677440).

11939114280 is an abundant number, since it is smaller than the sum of its proper divisors (26166240600).

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

11939114280 is a wasteful number, since it uses less digits than its factorization.

11939114280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27979 (or 27975 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 11939114280 in words is "eleven billion, nine hundred thirty-nine million, one hundred fourteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 211 255 340 408 422 510 633 680 844 1020 1055 1266 1688 2040 2110 2532 3165 3587 4220 5064 6330 7174 8440 10761 12660 14348 17935 21522 25320 27737 28696 35870 43044 53805 55474 71740 83211 86088 107610 110948 138685 143480 166422 215220 221896 277370 332844 416055 430440 471529 554740 665688 832110 943058 1109480 1414587 1664220 1886116 2357645 2829174 3328440 3772232 4715290 5658348 5852507 7072935 9430580 11316696 11705014 14145870 17557521 18861160 23410028 28291740 29262535 35115042 46820056 56583480 58525070 70230084 87787605 99492619 117050140 140460168 175575210 198985238 234100280 298477857 351150420 397970476 497463095 596955714 702300840 795940952 994926190 1193911428 1492389285 1989852380 2387822856 2984778570 3979704760 5969557140 11939114280