Search a number
-
+
38100000386 = 2712829212131
BaseRepresentation
bin100011011110111011…
…111101111010000010
310122100020212120000102
4203132323331322002
51111012100003021
625300343122402
72516103442220
oct433673757202
9118306776012
1038100000386
1115181503228
127473743402
13379254bc36
141bb6103b10
15ececc900b
hex8deefde82

38100000386 has 16 divisors (see below), whose sum is σ = 65319685440. Its totient is φ = 16327221840.

The previous prime is 38100000371. The next prime is 38100000413. The reversal of 38100000386 is 68300000183.

It is a super-2 number, since 2×381000003862 (a number of 22 digits) contains 22 as substring.

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, 73541 + ... + 285671.

It is an arithmetic number, because the mean of its divisors is an integer number (4082480340).

Almost surely, 238100000386 is an apocalyptic number.

38100000386 is a deficient number, since it is larger than the sum of its proper divisors (27219685054).

38100000386 is a wasteful number, since it uses less digits than its factorization.

38100000386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224969.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 38100000386 in words is "thirty-eight billion, one hundred million, three hundred eighty-six", and thus it is an aban number.

Divisors: 1 2 7 14 12829 25658 89803 179606 212131 424262 1484917 2969834 2721428599 5442857198 19050000193 38100000386