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245513403045420 = 223536712269908759
BaseRepresentation
bin110111110100101100001011…
…001011010001011000101100
31012012021212000012002011101020
4313310230023023101120230
5224134442422134423140
62230055144511214140
7102466521000125256
oct6764541313213054
91165255005064336
10245513403045420
1171256716552814
1223652185b17350
13a6cba787a6b73
14448acaab8ccd6
151d5b578b286d0
hexdf4b0b2d162c

245513403045420 has 96 divisors (see below), whose sum is σ = 689367597004800. Its totient is φ = 65286454251264.

The previous prime is 245513403045419. The next prime is 245513403045457. The reversal of 245513403045420 is 24540304315542.

245513403045420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 269709001 + ... + 270617759.

It is an arithmetic number, because the mean of its divisors is an integer number (7180912468800).

Almost surely, 2245513403045420 is an apocalyptic number.

245513403045420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245513403045420 is an abundant number, since it is smaller than the sum of its proper divisors (443854193959380).

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

245513403045420 is a wasteful number, since it uses less digits than its factorization.

245513403045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921407 (or 921405 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 245513403045420 in words is "two hundred forty-five trillion, five hundred thirteen billion, four hundred three million, forty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 367 734 1101 1468 1835 2202 3670 4404 5505 7340 11010 12269 22020 24538 36807 49076 61345 73614 122690 147228 184035 245380 368070 736140 908759 1817518 2726277 3635036 4502723 4543795 5452554 9005446 9087590 10905108 13508169 13631385 18010892 18175180 22513615 27016338 27262770 45027230 54032676 54525540 67540845 90054460 135081690 270163380 333514553 667029106 1000543659 1334058212 1667572765 2001087318 3335145530 4002174636 5002718295 6670291060 10005436590 11149564171 20010873180 22299128342 33448692513 44598256684 55747820855 66897385026 111495641710 133794770052 167243462565 222991283420 334486925130 668973850260 4091890050757 8183780101514 12275670152271 16367560203028 20459450253785 24551340304542 40918900507570 49102680609084 61378350761355 81837801015140 122756701522710 245513403045420