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15535055140 = 22511233070169
BaseRepresentation
bin11100111011111011…
…00010000100100100
31111002122221120100121
432131331202010210
5223303433231030
611045310051324
71056654534643
oct163575420444
944078846317
1015535055140
116652151950
1230167a9b44
131607656027
14a7530335a
1560dca447a
hex39df62124

15535055140 has 48 divisors (see below), whose sum is σ = 37136776320. Its totient is φ = 5403495680.

The previous prime is 15535055119. The next prime is 15535055143. The reversal of 15535055140 is 4155053551.

15535055140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15535055096 and 15535055105.

It is not an unprimeable number, because it can be changed into a prime (15535055143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530025 + ... + 1540144.

It is an arithmetic number, because the mean of its divisors is an integer number (773682840).

Almost surely, 215535055140 is an apocalyptic number.

15535055140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15535055140 is an abundant number, since it is smaller than the sum of its proper divisors (21601721180).

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

15535055140 is a wasteful number, since it uses less digits than its factorization.

15535055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070212 (or 3070210 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 15535055140 in words is "fifteen billion, five hundred thirty-five million, fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 3070169 6140338 12280676 15350845 30701690 33771859 61403380 67543718 70613887 135087436 141227774 168859295 282455548 337718590 353069435 675437180 706138870 776752757 1412277740 1553505514 3107011028 3883763785 7767527570 15535055140