Search a number
-
+
38231082345 = 3510723819989
BaseRepresentation
bin100011100110110000…
…000000010101101001
310122200101112012122210
4203212300000111221
51111244124113340
625321344435333
72522254560321
oct434660002551
9118611465583
1038231082345
11152394a4025
1274ab618b49
1337b3756021
141bc96a6281
15edb56d180
hex8e6c00569

38231082345 has 16 divisors (see below), whose sum is σ = 61741414080. Its totient is φ = 20199349824.

The previous prime is 38231082317. The next prime is 38231082401. The reversal of 38231082345 is 54328013283.

It is not a de Polignac number, because 38231082345 - 211 = 38231080297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11908390 + ... + 11911599.

It is an arithmetic number, because the mean of its divisors is an integer number (3858838380).

Almost surely, 238231082345 is an apocalyptic number.

It is an amenable number.

38231082345 is a deficient number, since it is larger than the sum of its proper divisors (23510331735).

38231082345 is a wasteful number, since it uses less digits than its factorization.

38231082345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23820104.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 38231082345 in words is "thirty-eight billion, two hundred thirty-one million, eighty-two thousand, three hundred forty-five".

Divisors: 1 3 5 15 107 321 535 1605 23819989 71459967 119099945 357299835 2548738823 7646216469 12743694115 38231082345