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1807223013 = 32748926813
BaseRepresentation
bin110101110111000…
…0000100011100101
311122221121102220200
41223232000203211
512200122114023
6455155021113
762533066521
oct15356004345
94587542820
101807223013
11848148442
1242529a799
1322a54b93b
14132036d81
15a89d3743
hex6bb808e5

1807223013 has 12 divisors (see below), whose sum is σ = 2610879180. Its totient is φ = 1204609536.

The previous prime is 1807223009. The next prime is 1807223059. The reversal of 1807223013 is 3103227081.

It can be written as a sum of positive squares in 2 ways, for example, as 1133197569 + 674025444 = 33663^2 + 25962^2 .

It is not a de Polignac number, because 1807223013 - 22 = 1807223009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1807223813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53995 + ... + 80807.

It is an arithmetic number, because the mean of its divisors is an integer number (217573265).

Almost surely, 21807223013 is an apocalyptic number.

It is an amenable number.

1807223013 is a deficient number, since it is larger than the sum of its proper divisors (803656167).

1807223013 is a wasteful number, since it uses less digits than its factorization.

1807223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34308 (or 34305 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1807223013 is about 42511.4456705485. The cubic root of 1807223013 is about 1218.0653321423.

The spelling of 1807223013 in words is "one billion, eight hundred seven million, two hundred twenty-three thousand, thirteen".

Divisors: 1 3 9 7489 22467 26813 67401 80439 241317 200802557 602407671 1807223013