Search a number
-
+
16355312140 = 225817765607
BaseRepresentation
bin11110011101101101…
…00100001000001100
31120012211101221102111
433032312210020030
5231443424442030
611302531033404
71116204600526
oct171666441014
946184357374
1016355312140
116a331690a2
12320543b864
13170857c2bb
14b12222a16
1565accd62a
hex3ceda420c

16355312140 has 12 divisors (see below), whose sum is σ = 34346155536. Its totient is φ = 6542124848.

The previous prime is 16355312117. The next prime is 16355312147. The reversal of 16355312140 is 4121355361.

It is not an unprimeable number, because it can be changed into a prime (16355312147) 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, 408882784 + ... + 408882823.

It is an arithmetic number, because the mean of its divisors is an integer number (2862179628).

Almost surely, 216355312140 is an apocalyptic number.

16355312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16355312140 is an abundant number, since it is smaller than the sum of its proper divisors (17990843396).

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

16355312140 is a wasteful number, since it uses less digits than its factorization.

16355312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817765616 (or 817765614 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 16355312140 in words is "sixteen billion, three hundred fifty-five million, three hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 817765607 1635531214 3271062428 4088828035 8177656070 16355312140