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38675772861187 = 7211308923229097
BaseRepresentation
bin10001100101100111001111…
…01100111110101100000011
312001221100221002221101111211
420302303213230332230003
520032130440323024222
6214131223232550551
711101142464063300
oct1062634754765403
9161840832841454
1038675772861187
1111361337560a10
12440775a0b2457
131877157107137
14979cbb48a0a7
154710a3dda277
hex232ce7b3eb03

38675772861187 has 24 divisors (see below), whose sum is σ = 49096092368880. Its totient is φ = 30127208348160.

The previous prime is 38675772861169. The next prime is 38675772861197. The reversal of 38675772861187 is 78116827757683.

It is a de Polignac number, because none of the positive numbers 2k-38675772861187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38675772861197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9949578 + ... + 13279519.

It is an arithmetic number, because the mean of its divisors is an integer number (2045670515370).

Almost surely, 238675772861187 is an apocalyptic number.

38675772861187 is a deficient number, since it is larger than the sum of its proper divisors (10420319507693).

38675772861187 is a wasteful number, since it uses less digits than its factorization.

38675772861187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23232211 (or 23232204 counting only the distinct ones).

The product of its digits is 1327656960, while the sum is 76.

The spelling of 38675772861187 in words is "thirty-eight trillion, six hundred seventy-five billion, seven hundred seventy-two million, eight hundred sixty-one thousand, one hundred eighty-seven".

Divisors: 1 7 11 49 77 539 3089 21623 33979 151361 237853 1664971 23229097 162603679 255520067 1138225753 1788640469 12520483283 71754680633 502282764431 789301486963 3515979351017 5525110408741 38675772861187