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5130664021 = 722931116471
BaseRepresentation
bin1001100011100111…
…11011100001010101
3111020120020201220101
410301303323201111
541001422222041
62205035534101
7241066632100
oct46163734125
914216221811
105130664021
1121a31428aa
12bb22ba331
13639c4a692
14369595737
15200666b31
hex131cfb855

5130664021 has 24 divisors (see below), whose sum is σ = 6373347840. Its totient is φ = 4109061600.

The previous prime is 5130664009. The next prime is 5130664057. The reversal of 5130664021 is 1204660315.

It is not a de Polignac number, because 5130664021 - 217 = 5130532949 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 (5130664001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14185 + ... + 102286.

It is an arithmetic number, because the mean of its divisors is an integer number (265556160).

Almost surely, 25130664021 is an apocalyptic number.

It is an amenable number.

5130664021 is a deficient number, since it is larger than the sum of its proper divisors (1242683819).

5130664021 is a wasteful number, since it uses less digits than its factorization.

5130664021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116545 (or 116538 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5130664021 is about 71628.6536310714. The cubic root of 5130664021 is about 1724.7435335020.

The spelling of 5130664021 in words is "five billion, one hundred thirty million, six hundred sixty-four thousand, twenty-one".

Divisors: 1 7 29 31 49 203 217 899 1421 1519 6293 44051 116471 815297 3377659 3610601 5707079 23643613 25274207 104707429 165505291 176919449 732952003 5130664021