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38678632708542 = 2325951248408107
BaseRepresentation
bin10001100101101100100100…
…01010011011100110111110
312001221122022102020200120020
420302312102022123212332
520032202314433133132
6214132415113233010
711101303401301551
oct1062662212334676
9161848272220506
1038678632708542
11113625748a5622
124408217a02766
1318774c17599c8
1497a0ad20c698
154711beee752c
hex232d9229b9be

38678632708542 has 16 divisors (see below), whose sum is σ = 77360246625792. Its totient is φ = 12892380701400.

The previous prime is 38678632708481. The next prime is 38678632708549. The reversal of 38678632708542 is 24580723687683.

It is a super-2 number, since 2×386786327085422 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678632708549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124048348 + ... + 124359759.

It is an arithmetic number, because the mean of its divisors is an integer number (4835015414112).

Almost surely, 238678632708542 is an apocalyptic number.

38678632708542 is an abundant number, since it is smaller than the sum of its proper divisors (38681613917250).

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

38678632708542 is a wasteful number, since it uses less digits than its factorization.

38678632708542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248434063.

The product of its (nonzero) digits is 650280960, while the sum is 69.

The spelling of 38678632708542 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty-two million, seven hundred eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 25951 51902 77853 155706 248408107 496816214 745224321 1490448642 6446438784757 12892877569514 19339316354271 38678632708542