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38195789872 = 246735630401
BaseRepresentation
bin100011100100101001…
…011000000000110000
310122120221010011111011
4203210221120000300
51111211110233442
625314044200304
72521345566652
oct434451300060
9118527104434
1038195789872
1115220589299
12749b839094
1337a934a0c6
141bc4b1a6d2
15ed83eb117
hex8e4a58030

38195789872 has 20 divisors (see below), whose sum is σ = 75108887416. Its totient is φ = 18812851200.

The previous prime is 38195789861. The next prime is 38195789897. The reversal of 38195789872 is 27898759183.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a junction number, because it is equal to n+sod(n) for n = 38195789798 and 38195789807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17814129 + ... + 17816272.

Almost surely, 238195789872 is an apocalyptic number.

It is an amenable number.

38195789872 is a deficient number, since it is larger than the sum of its proper divisors (36913097544).

38195789872 is a wasteful number, since it uses less digits than its factorization.

38195789872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35630476 (or 35630470 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 67.

The spelling of 38195789872 in words is "thirty-eight billion, one hundred ninety-five million, seven hundred eighty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 67 134 268 536 1072 35630401 71260802 142521604 285043208 570086416 2387236867 4774473734 9548947468 19097894936 38195789872