Search a number
-
+
13881884808 = 2331152582897
BaseRepresentation
bin11001110110110110…
…01100000010001000
31022211110012210222210
430323123030002020
5211412230303213
610213252545120
71001002034241
oct147333140210
938743183883
1013881884808
115983a64580
1228350221a0
131402cc4b2c
1495992bcc8
15563aa10c3
hex33b6cc088

13881884808 has 32 divisors (see below), whose sum is σ = 37859686560. Its totient is φ = 4206631680.

The previous prime is 13881884801. The next prime is 13881884831. The reversal of 13881884808 is 80848818831.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13881884801) 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, 26291185 + ... + 26291712.

It is an arithmetic number, because the mean of its divisors is an integer number (1183115205).

Almost surely, 213881884808 is an apocalyptic number.

It is an amenable number.

13881884808 is an abundant number, since it is smaller than the sum of its proper divisors (23977801752).

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

13881884808 is a wasteful number, since it uses less digits than its factorization.

13881884808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52582917 (or 52582913 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 57.

The spelling of 13881884808 in words is "thirteen billion, eight hundred eighty-one million, eight hundred eighty-four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 52582897 105165794 157748691 210331588 315497382 420663176 578411867 630994764 1156823734 1261989528 1735235601 2313647468 3470471202 4627294936 6940942404 13881884808