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2057901902 = 274428551
BaseRepresentation
bin111101010101001…
…0001011101001110
312022102022020200222
41322222101131032
513203310330102
6540111551342
7101665610000
oct17252213516
95272266628
102057901902
119666a5181
1249522b552
1326a46b344
1415744c370
15c09edaa2
hex7aa9174e

2057901902 has 20 divisors (see below), whose sum is σ = 3601122456. Its totient is φ = 881955900.

The previous prime is 2057901893. The next prime is 2057901907. The reversal of 2057901902 is 2091097502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057901907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 209474 + ... + 219077.

Almost surely, 22057901902 is an apocalyptic number.

2057901902 is a deficient number, since it is larger than the sum of its proper divisors (1543220554).

2057901902 is an frugal number, since it uses more digits than its factorization.

2057901902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428581 (or 428560 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 2057901902 is about 45364.1036723972. The cubic root of 2057901902 is about 1271.9642042423.

The spelling of 2057901902 in words is "two billion, fifty-seven million, nine hundred one thousand, nine hundred two".

Divisors: 1 2 7 14 49 98 343 686 2401 4802 428551 857102 2999857 5999714 20998999 41997998 146992993 293985986 1028950951 2057901902