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11968492740 = 22356713122727
BaseRepresentation
bin10110010010110000…
…01011010011000100
31010220002211102111220
423021120023103010
5144002413231430
65255342200340
7602406336561
oct131130132304
933802742456
1011968492740
1150919a1816
1223a02830b0
131189782789
14817779868
154a0aea110
hex2c960b4c4

11968492740 has 96 divisors (see below), whose sum is σ = 34273096704. Its totient is φ = 3119825280.

The previous prime is 11968492721. The next prime is 11968492769. The reversal of 11968492740 is 4729486911.

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, 515257 + ... + 537983.

It is an arithmetic number, because the mean of its divisors is an integer number (357011424).

Almost surely, 211968492740 is an apocalyptic number.

11968492740 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 11968492740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17136548352).

11968492740 is an abundant number, since it is smaller than the sum of its proper divisors (22304603964).

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

11968492740 is a wasteful number, since it uses less digits than its factorization.

11968492740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22937 (or 22935 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 11968492740 in words is "eleven billion, nine hundred sixty-eight million, four hundred ninety-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 131 134 201 262 268 335 393 402 524 655 670 786 804 1005 1310 1340 1572 1965 2010 2620 3930 4020 7860 8777 17554 22727 26331 35108 43885 45454 52662 68181 87770 90908 105324 113635 131655 136362 175540 227270 263310 272724 340905 454540 526620 681810 1363620 1522709 2977237 3045418 4568127 5954474 6090836 7613545 8931711 9136254 11908948 14886185 15227090 17863422 18272508 22840635 29772370 30454180 35726844 44658555 45681270 59544740 89317110 91362540 178634220 199474879 398949758 598424637 797899516 997374395 1196849274 1994748790 2393698548 2992123185 3989497580 5984246370 11968492740