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12400928884920 = 2335412520514001
BaseRepresentation
bin1011010001110101000011…
…1101100000100010111000
31121220111222001111201100110
42310131100331200202320
53111134100243304140
642212524051304320
72416636402214562
oct264352075404270
947814861451313
1012400928884920
113a51228078194
121483471bab0a0
136bc5305c8b74
1430c2cb29a332
1516789b14e380
hexb4750f608b8

12400928884920 has 64 divisors (see below), whose sum is σ = 38110171710240. Its totient is φ = 3226257920000.

The previous prime is 12400928884901. The next prime is 12400928884931. The reversal of 12400928884920 is 2948882900421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260252081 + ... + 1260261920.

Almost surely, 212400928884920 is an apocalyptic number.

12400928884920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400928884920 is an abundant number, since it is smaller than the sum of its proper divisors (25709242825320).

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

12400928884920 is a wasteful number, since it uses less digits than its factorization.

12400928884920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520514056 (or 2520514052 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 12400928884920 in words is "twelve trillion, four hundred billion, nine hundred twenty-eight million, eight hundred eighty-four thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 2520514001 5041028002 7561542003 10082056004 12602570005 15123084006 20164112008 25205140010 30246168012 37807710015 50410280020 60492336024 75615420030 100820560040 103341074041 151230840060 206682148082 302461680120 310023222123 413364296164 516705370205 620046444246 826728592328 1033410740410 1240092888492 1550116110615 2066821480820 2480185776984 3100232221230 4133642961640 6200464442460 12400928884920