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38826253920 = 253580888029
BaseRepresentation
bin100100001010001110…
…011001111001100000
310201012212110001120110
4210022032121321200
51114004010111140
625500405211320
72543102466366
oct441216317140
9121185401513
1038826253920
1115514454263
127636a00b40
133879b50c5c
141c44753636
151023935380
hex90a399e60

38826253920 has 48 divisors (see below), whose sum is σ = 122302701360. Its totient is φ = 10353667584.

The previous prime is 38826253903. The next prime is 38826253933. The reversal of 38826253920 is 2935262883.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 38826253920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40443535 + ... + 40444494.

It is an arithmetic number, because the mean of its divisors is an integer number (2547972945).

Almost surely, 238826253920 is an apocalyptic number.

38826253920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38826253920 is an abundant number, since it is smaller than the sum of its proper divisors (83476447440).

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

38826253920 is a wasteful number, since it uses less digits than its factorization.

38826253920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80888047 (or 80888039 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 38826253920 in words is "thirty-eight billion, eight hundred twenty-six million, two hundred fifty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 80888029 161776058 242664087 323552116 404440145 485328174 647104232 808880290 970656348 1213320435 1294208464 1617760580 1941312696 2426640870 2588416928 3235521160 3882625392 4853281740 6471042320 7765250784 9706563480 12942084640 19413126960 38826253920