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12763787900 = 22522341135353
BaseRepresentation
bin10111110001100011…
…11111001001111100
31012221112022121101012
423320301333021330
5202120012203100
65510312134352
7631204256423
oct137061771174
935845277335
1012763787900
11545a909846
1225826973b8
131285479026
1489123c2ba
154ea843135
hex2f8c7f27c

12763787900 has 72 divisors (see below), whose sum is σ = 29606792544. Its totient is φ = 4764390400.

The previous prime is 12763787887. The next prime is 12763787977. The reversal of 12763787900 is 978736721.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26624 + ... + 161976.

It is an arithmetic number, because the mean of its divisors is an integer number (411205452).

Almost surely, 212763787900 is an apocalyptic number.

12763787900 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 12763787900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14803396272).

12763787900 is an abundant number, since it is smaller than the sum of its proper divisors (16843004644).

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

12763787900 is a wasteful number, since it uses less digits than its factorization.

12763787900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135431 (or 135424 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 12763787900 in words is "twelve billion, seven hundred sixty-three million, seven hundred eighty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 23 25 41 46 50 82 92 100 115 164 205 230 410 460 575 820 943 1025 1150 1886 2050 2300 3772 4100 4715 9430 18860 23575 47150 94300 135353 270706 541412 676765 1353530 2707060 3113119 3383825 5549473 6226238 6767650 11098946 12452476 13535300 15565595 22197892 27747365 31131190 55494730 62262380 77827975 110989460 127637879 138736825 155655950 255275758 277473650 311311900 510551516 554947300 638189395 1276378790 2552757580 3190946975 6381893950 12763787900