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612231225361 = 7671305397069
BaseRepresentation
bin10001110100010111101…
…00110010000000010001
32011112021110001200101221
420322023310302000101
540012322143202421
61145131035525041
762142442360120
oct10721364620021
92145243050357
10612231225361
11216711625208
129a7a2bb9781
134596b98cc72
14218bc891ab7
1510dd3a64841
hex8e8bd32011

612231225361 has 8 divisors (see below), whose sum is σ = 710136006080. Its totient is φ = 516937238928.

The previous prime is 612231225163. The next prime is 612231225373. The reversal of 612231225361 is 163522132216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612231225361 - 29 = 612231224849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612231225061) 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, 652698066 + ... + 652699003.

It is an arithmetic number, because the mean of its divisors is an integer number (88767000760).

Almost surely, 2612231225361 is an apocalyptic number.

It is an amenable number.

612231225361 is a deficient number, since it is larger than the sum of its proper divisors (97904780719).

612231225361 is a wasteful number, since it uses less digits than its factorization.

612231225361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305397143.

The product of its digits is 25920, while the sum is 34.

Adding to 612231225361 its reverse (163522132216), we get a palindrome (775753357577).

The spelling of 612231225361 in words is "six hundred twelve billion, two hundred thirty-one million, two hundred twenty-five thousand, three hundred sixty-one".

Divisors: 1 7 67 469 1305397069 9137779483 87461603623 612231225361