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234427347021 = 3724146320361
BaseRepresentation
bin1101101001010011110…
…1010111000001001101
3211102002122102010020010
43122110331113001031
512320101400101041
6255405555343433
722636220400060
oct3322475270115
9742078363203
10234427347021
119046914260a
12395252b1b79
131914ca0082a
14b4bc5228d7
156170ad9a16
hex3694f5704d

234427347021 has 16 divisors (see below), whose sum is σ = 358704883328. Its totient is φ = 133402636800.

The previous prime is 234427347013. The next prime is 234427347041. The reversal of 234427347021 is 120743724432.

It is not a de Polignac number, because 234427347021 - 23 = 234427347013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234427347041) 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, 23155120 + ... + 23165241.

It is an arithmetic number, because the mean of its divisors is an integer number (22419055208).

Almost surely, 2234427347021 is an apocalyptic number.

234427347021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234427347021 is a deficient number, since it is larger than the sum of its proper divisors (124277536307).

234427347021 is a wasteful number, since it uses less digits than its factorization.

234427347021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46320612.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 234427347021 in words is "two hundred thirty-four billion, four hundred twenty-seven million, three hundred forty-seven thousand, twenty-one".

Divisors: 1 3 7 21 241 723 1687 5061 46320361 138961083 324242527 972727581 11163207001 33489621003 78142449007 234427347021