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BaseRepresentation
bin111110101101000…
…1001011110001101
312102122001121101012
41331122021132031
513302111202131
6544440055005
7103065521600
oct17532113615
95378047335
102104006541
1198a72528a
124a8764465
13276b916b0
1415d610337
15c4aa952b
hex7d68978d

2104006541 has 12 divisors (see below), whose sum is σ = 2635789212. Its totient is φ = 1664707968.

The previous prime is 2104006537. The next prime is 2104006573. The reversal of 2104006541 is 1456004012.

It can be written as a sum of positive squares in 2 ways, for example, as 1057225225 + 1046781316 = 32515^2 + 32354^2 .

It is not a de Polignac number, because 2104006541 - 22 = 2104006537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104003541) 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, 1650860 + ... + 1652133.

It is an arithmetic number, because the mean of its divisors is an integer number (219649101).

Almost surely, 22104006541 is an apocalyptic number.

It is an amenable number.

2104006541 is a deficient number, since it is larger than the sum of its proper divisors (531782671).

2104006541 is a wasteful number, since it uses less digits than its factorization.

2104006541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303020 (or 3303013 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2104006541 is about 45869.4510649517. The cubic root of 2104006541 is about 1281.3930433165.

The spelling of 2104006541 in words is "two billion, one hundred four million, six thousand, five hundred forty-one".