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15020404130 = 252951794497
BaseRepresentation
bin11011111110100100…
…10010110110100010
31102202210112120220002
431333102102312202
5221230210413010
610522243220002
71041135220454
oct157722226642
942683476802
1015020404130
116408698a36
122ab2377602
131554b413c4
14a26c162d4
155cd9e51a5
hex37f492da2

15020404130 has 16 divisors (see below), whose sum is σ = 27969028920. Its totient is φ = 5800983552.

The previous prime is 15020404123. The next prime is 15020404141. The reversal of 15020404130 is 3140402051.

It can be written as a sum of positive squares in 4 ways, for example, as 11801997769 + 3218406361 = 108637^2 + 56731^2 .

It is a super-2 number, since 2×150204041302 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25896959 + ... + 25897538.

Almost surely, 215020404130 is an apocalyptic number.

15020404130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15020404130 is a deficient number, since it is larger than the sum of its proper divisors (12948624790).

15020404130 is a wasteful number, since it uses less digits than its factorization.

15020404130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51794533.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 15020404130 its reverse (3140402051), we get a palindrome (18160806181).

The spelling of 15020404130 in words is "fifteen billion, twenty million, four hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 51794497 103588994 258972485 517944970 1502040413 3004080826 7510202065 15020404130