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2055772313 = 7297523827
BaseRepresentation
bin111101010001000…
…1001100010011001
312022021022001110022
41322202021202121
513202234203223
6535554200225
7101641530200
oct17242114231
95267261408
102055772313
11965480191
12494583075
13269ba3c2a
14157056237
15c072cac8
hex7a889899

2055772313 has 24 divisors (see below), whose sum is σ = 2423608992. Its totient is φ = 1738485504.

The previous prime is 2055772309. The next prime is 2055772333. The reversal of 2055772313 is 3132775502.

It is not a de Polignac number, because 2055772313 - 22 = 2055772309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055772333) 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, 2485406 + ... + 2486232.

It is an arithmetic number, because the mean of its divisors is an integer number (100983708).

Almost surely, 22055772313 is an apocalyptic number.

It is an amenable number.

2055772313 is a deficient number, since it is larger than the sum of its proper divisors (367836679).

2055772313 is an equidigital number, since it uses as much as digits as its factorization.

2055772313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 2055772313 is about 45340.6254147426. The cubic root of 2055772313 is about 1271.5252950980.

The spelling of 2055772313 in words is "two billion, fifty-five million, seven hundred seventy-two thousand, three hundred thirteen".

Divisors: 1 7 49 97 523 679 827 3661 4753 5789 25627 40523 50731 80219 355117 432521 561533 2485819 3027647 3930731 21193529 41954537 293681759 2055772313