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13020102404 = 2271281163151
BaseRepresentation
bin11000010000000111…
…01111111100000100
31020121101121201202222
430020003233330010
5203131121234104
65551545551512
7640436021141
oct141003577404
936541551688
1013020102404
115581565711
1226344a5598
1312c65bc90a
148b72bd3c8
155130c31be
hex3080eff04

13020102404 has 24 divisors (see below), whose sum is σ = 23188467456. Its totient is φ = 6395480000.

The previous prime is 13020102401. The next prime is 13020102419. The reversal of 13020102404 is 40420102031.

It is a super-2 number, since 2×130201024042 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13020102401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772 + ... + 161379.

It is an arithmetic number, because the mean of its divisors is an integer number (966186144).

Almost surely, 213020102404 is an apocalyptic number.

It is an amenable number.

13020102404 is a deficient number, since it is larger than the sum of its proper divisors (10168365052).

13020102404 is a wasteful number, since it uses less digits than its factorization.

13020102404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163507 (or 163505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13020102404 its reverse (40420102031), we get a palindrome (53440204435).

The spelling of 13020102404 in words is "thirteen billion, twenty million, one hundred two thousand, four hundred four".

Divisors: 1 2 4 71 142 281 284 562 1124 19951 39902 79804 163151 326302 652604 11583721 23167442 45845431 46334884 91690862 183381724 3255025601 6510051202 13020102404