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38129911010 = 253812991101
BaseRepresentation
bin100011100000101110…
…000100010011100010
310122102100011011200022
4203200232010103202
51111042224123020
625303332153442
72516615616212
oct434056042342
9118370134608
1038129911010
1115197382554
127481768882
1337987c2329
141bba08c242
15ed2736625
hex8e0b844e2

38129911010 has 8 divisors (see below), whose sum is σ = 68633839836. Its totient is φ = 15251964400.

The previous prime is 38129911009. The next prime is 38129911019. The reversal of 38129911010 is 1011992183.

It can be written as a sum of positive squares in 2 ways, for example, as 37961456569 + 168454441 = 194837^2 + 12979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×381299110102 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38129911019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906495541 + ... + 1906495560.

Almost surely, 238129911010 is an apocalyptic number.

38129911010 is a deficient number, since it is larger than the sum of its proper divisors (30503928826).

38129911010 is a wasteful number, since it uses less digits than its factorization.

38129911010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812991108.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 38129911010 in words is "thirty-eight billion, one hundred twenty-nine million, nine hundred eleven thousand, ten".

Divisors: 1 2 5 10 3812991101 7625982202 19064955505 38129911010