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15151420120 = 2353076471907
BaseRepresentation
bin11100001110001100…
…00101001011011000
31110002221001220001011
432013012011023120
5222012230420440
610543243303304
71044315642334
oct160706051330
943087056034
1015151420120
116475644211
122b2a21ab34
131576024465
14a3a39c7c4
155da2749ea
hex3871852d8

15151420120 has 64 divisors (see below), whose sum is σ = 34272564480. Its totient is φ = 6028327296.

The previous prime is 15151420091. The next prime is 15151420171. The reversal of 15151420120 is 2102415151.

It is a junction number, because it is equal to n+sod(n) for n = 15151420091 and 15151420100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7944207 + ... + 7946113.

It is an arithmetic number, because the mean of its divisors is an integer number (535508820).

Almost surely, 215151420120 is an apocalyptic number.

15151420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15151420120 is an abundant number, since it is smaller than the sum of its proper divisors (19121144360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15151420120 is a wasteful number, since it uses less digits than its factorization.

15151420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 15151420120 its reverse (2102415151), we get a palindrome (17253835271).

The spelling of 15151420120 in words is "fifteen billion, one hundred fifty-one million, four hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 307 614 647 1228 1294 1535 1907 2456 2588 3070 3235 3814 5176 6140 6470 7628 9535 12280 12940 15256 19070 25880 38140 76280 198629 397258 585449 794516 993145 1170898 1233829 1589032 1986290 2341796 2467658 2927245 3972580 4683592 4935316 5854490 6169145 7945160 9870632 11708980 12338290 23417960 24676580 49353160 378785503 757571006 1515142012 1893927515 3030284024 3787855030 7575710060 15151420120