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15130043240 = 2351364744971
BaseRepresentation
bin11100001011101001…
…00010001101101000
31110001102211211110212
432011310202031220
5221441242340430
610541201200252
71043636150144
oct160564421550
943042754425
1015130043240
116464573474
122b23030088
13157177b410
14a375d6224
155d8450b95
hex385d22368

15130043240 has 64 divisors (see below), whose sum is σ = 36718738560. Its totient is φ = 5577719040.

The previous prime is 15130043237. The next prime is 15130043261. The reversal of 15130043240 is 4234003151.

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, 313955 + ... + 358925.

It is an arithmetic number, because the mean of its divisors is an integer number (573730290).

Almost surely, 215130043240 is an apocalyptic number.

15130043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15130043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18359369280).

15130043240 is an abundant number, since it is smaller than the sum of its proper divisors (21588695320).

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

15130043240 is a wasteful number, since it uses less digits than its factorization.

15130043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45642 (or 45638 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 15130043240 its reverse (4234003151), we get a palindrome (19364046391).

The spelling of 15130043240 in words is "fifteen billion, one hundred thirty million, forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 647 1294 2588 3235 5176 6470 8411 12940 16822 25880 33644 42055 44971 67288 84110 89942 168220 179884 224855 336440 359768 449710 584623 899420 1169246 1798840 2338492 2923115 4676984 5846230 11692460 23384920 29096237 58192474 116384948 145481185 232769896 290962370 378251081 581924740 756502162 1163849480 1513004324 1891255405 3026008648 3782510810 7565021620 15130043240