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38787925872 = 24317314893137
BaseRepresentation
bin100100000111111100…
…001100011101110000
310201010012022210101010
4210013330030131300
51113414202111442
625452515510520
72542125633663
oct440774143560
9121105283333
1038787925872
11154a4855893
127625bb8440
133871c21437
141c3d6176da
1510203b3b9c
hex907f0c770

38787925872 has 80 divisors (see below), whose sum is σ = 100881177120. Its totient is φ = 12841844736.

The previous prime is 38787925871. The next prime is 38787925901. The reversal of 38787925872 is 27852978783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38787925871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12363088 + ... + 12366224.

It is an arithmetic number, because the mean of its divisors is an integer number (1261014714).

Almost surely, 238787925872 is an apocalyptic number.

It is an amenable number.

38787925872 is an abundant number, since it is smaller than the sum of its proper divisors (62093251248).

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

38787925872 is a wasteful number, since it uses less digits than its factorization.

38787925872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810 (or 4804 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 66.

The spelling of 38787925872 in words is "thirty-eight billion, seven hundred eighty-seven million, nine hundred twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 173 346 519 692 1038 1384 1489 2076 2768 2978 3137 4152 4467 5956 6274 8304 8934 9411 11912 12548 17868 18822 23824 25096 35736 37644 50192 71472 75288 150576 257597 515194 542701 772791 1030388 1085402 1545582 1628103 2060776 2170804 3091164 3256206 4121552 4341608 4670993 6182328 6512412 8683216 9341986 12364656 13024824 14012979 18683972 26049648 28025958 37367944 56051916 74735888 112103832 224207664 808081789 1616163578 2424245367 3232327156 4848490734 6464654312 9696981468 12929308624 19393962936 38787925872