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16291034380 = 2251752191967
BaseRepresentation
bin11110010110000010…
…10111010100001100
31120001100110021220201
433023001113110030
5231331001100010
611252313223244
71114464336025
oct171301272414
946040407821
1016291034380
1169aa956285
1231a7a01b24
1316c816521a
14b0788dc4c
1565533323a
hex3cb05750c

16291034380 has 48 divisors (see below), whose sum is σ = 36293515776. Its totient is φ = 6121256960.

The previous prime is 16291034377. The next prime is 16291034387. The reversal of 16291034380 is 8343019261.

It is not an unprimeable number, because it can be changed into a prime (16291034387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131157 + ... + 223123.

It is an arithmetic number, because the mean of its divisors is an integer number (756114912).

Almost surely, 216291034380 is an apocalyptic number.

16291034380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16291034380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18146757888).

16291034380 is an abundant number, since it is smaller than the sum of its proper divisors (20002481396).

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

16291034380 is a wasteful number, since it uses less digits than its factorization.

16291034380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92514 (or 92512 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16291034380 in words is "sixteen billion, two hundred ninety-one million, thirty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 521 1042 2084 2605 5210 8857 10420 17714 35428 44285 88570 91967 177140 183934 367868 459835 919670 1563439 1839340 3126878 6253756 7817195 15634390 31268780 47914807 95829614 191659228 239574035 479148070 814551719 958296140 1629103438 3258206876 4072758595 8145517190 16291034380