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2055319957 is a prime number
BaseRepresentation
bin111101010000001…
…1011000110010101
312022020110001221101
41322200123012111
513202130214312
6535540350101
7101634634315
oct17240330625
95266401841
102055319957
119651a1339
124943a5331
13269a76072
14156d79445
15c068da57
hex7a81b195

2055319957 has 2 divisors, whose sum is σ = 2055319958. Its totient is φ = 2055319956.

The previous prime is 2055319949. The next prime is 2055320017. The reversal of 2055319957 is 7599135502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052633636 + 2686321 = 45306^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055319957 - 23 = 2055319949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055319657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027659978 + 1027659979.

It is an arithmetic number, because the mean of its divisors is an integer number (1027659979).

Almost surely, 22055319957 is an apocalyptic number.

It is an amenable number.

2055319957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055319957 is an equidigital number, since it uses as much as digits as its factorization.

2055319957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 2055319957 is about 45335.6367221196. The cubic root of 2055319957 is about 1271.4320253187.

The spelling of 2055319957 in words is "two billion, fifty-five million, three hundred nineteen thousand, nine hundred fifty-seven".