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163712054240 = 2557732002349
BaseRepresentation
bin1001100001110111111…
…1111011001111100000
3120122120101010001010022
42120131333323033200
510140240241213430
6203112553253012
714553636333530
oct2303577731740
9518511101108
10163712054240
1163480206489
122788aa04168
1312590321117
147cd09114c0
1543d27d54e5
hex261dffb3e0

163712054240 has 96 divisors (see below), whose sum is σ = 448077873600. Its totient is φ = 55360917504.

The previous prime is 163712054227. The next prime is 163712054327. The reversal of 163712054240 is 42450217361.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 163712054240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919415 + ... + 1082934.

It is an arithmetic number, because the mean of its divisors is an integer number (4667477850).

Almost surely, 2163712054240 is an apocalyptic number.

163712054240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163712054240 is an abundant number, since it is smaller than the sum of its proper divisors (284365819360).

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

163712054240 is a wasteful number, since it uses less digits than its factorization.

163712054240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002444 (or 2002436 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 163712054240 in words is "one hundred sixty-three billion, seven hundred twelve million, fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 73 80 112 140 146 160 224 280 292 365 511 560 584 730 1022 1120 1168 1460 2044 2336 2555 2920 4088 5110 5840 8176 10220 11680 16352 20440 40880 81760 2002349 4004698 8009396 10011745 14016443 16018792 20023490 28032886 32037584 40046980 56065772 64075168 70082215 80093960 112131544 140164430 146171477 160187920 224263088 280328860 292342954 320375840 448526176 560657720 584685908 730857385 1023200339 1121315440 1169371816 1461714770 2046400678 2242630880 2338743632 2923429540 4092801356 4677487264 5116001695 5846859080 8185602712 10232003390 11693718160 16371205424 20464006780 23387436320 32742410848 40928013560 81856027120 163712054240