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1904130011 = 71916638609
BaseRepresentation
bin111000101111110…
…1011011111011011
311220200221211022202
41301133223133123
512344424130021
6512540040415
765120560310
oct16137533733
94820854282
101904130011
11897917073
1245183310b
1324464b664
14140c60d07
15b2276a0b
hex717eb7db

1904130011 has 16 divisors (see below), whose sum is σ = 2292326400. Its totient is φ = 1545101568.

The previous prime is 1904129989. The next prime is 1904130013. The reversal of 1904130011 is 1100314091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1904130011 is a prime.

It is a super-2 number, since 2×19041300112 = 7251422197581720242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1904130013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216875 + ... + 225483.

It is an arithmetic number, because the mean of its divisors is an integer number (143270400).

Almost surely, 21904130011 is an apocalyptic number.

1904130011 is a deficient number, since it is larger than the sum of its proper divisors (388196389).

1904130011 is a wasteful number, since it uses less digits than its factorization.

1904130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1904130011 is about 43636.3381942161. The cubic root of 1904130011 is about 1239.4590970290.

The spelling of 1904130011 in words is "one billion, nine hundred four million, one hundred thirty thousand, eleven".

Divisors: 1 7 19 133 1663 8609 11641 31597 60263 163571 221179 1144997 14316767 100217369 272018573 1904130011