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2104004045 = 5111319154877
BaseRepresentation
bin111110101101000…
…1000110111001101
312102122001110221202
41331122020313031
513302111112140
6544440035245
7103065511403
oct17532106715
95378043852
102104004045
1198a723420
124a8762b25
13276b90510
1415d60d473
15c4aa8915
hex7d688dcd

2104004045 has 32 divisors (see below), whose sum is σ = 3122340480. Its totient is φ = 1338128640.

The previous prime is 2104004033. The next prime is 2104004053. The reversal of 2104004045 is 5404004012.

It is not a de Polignac number, because 2104004045 - 210 = 2104003021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63854 + ... + 91023.

It is an arithmetic number, because the mean of its divisors is an integer number (97573140).

Almost surely, 22104004045 is an apocalyptic number.

It is an amenable number.

2104004045 is a deficient number, since it is larger than the sum of its proper divisors (1018336435).

2104004045 is a wasteful number, since it uses less digits than its factorization.

2104004045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154925.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2104004045 is about 45869.4238572930. The cubic root of 2104004045 is about 1281.3925366073.

Adding to 2104004045 its reverse (5404004012), we get a palindrome (7508008057).

The spelling of 2104004045 in words is "two billion, one hundred four million, four thousand, forty-five".

Divisors: 1 5 11 13 19 55 65 95 143 209 247 715 1045 1235 2717 13585 154877 774385 1703647 2013401 2942663 8518235 10067005 14713315 22147411 32369293 38254619 110737055 161846465 191273095 420800809 2104004045