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215330123130 = 23555717537351
BaseRepresentation
bin1100100010001010101…
…1001110110101111010
3202120210201121121222120
43020202223032311322
512011444002420010
6242530555502110
721362036563353
oct3104253166572
9676721547876
10215330123130
1183359271651
1235895757936
13173c8382055
14a5ca0bad2a
155904247e70
hex3222aced7a

215330123130 has 64 divisors (see below), whose sum is σ = 518085911808. Its totient is φ = 57277785600.

The previous prime is 215330123123. The next prime is 215330123167. The reversal of 215330123130 is 31321033512.

It is a self number, because there is not a number n which added to its sum of digits gives 215330123130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29288955 + ... + 29296305.

It is an arithmetic number, because the mean of its divisors is an integer number (8095092372).

Almost surely, 2215330123130 is an apocalyptic number.

215330123130 is an abundant number, since it is smaller than the sum of its proper divisors (302755788678).

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

215330123130 is a wasteful number, since it uses less digits than its factorization.

215330123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 215330123130 its reverse (31321033512), we get a palindrome (246651156642).

The spelling of 215330123130 in words is "two hundred fifteen billion, three hundred thirty million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 557 1114 1671 1753 2785 3342 3506 5259 5570 7351 8355 8765 10518 14702 16710 17530 22053 26295 36755 44106 52590 73510 110265 220530 976421 1952842 2929263 4094507 4882105 5858526 8189014 9764210 12283521 12886303 14646315 20472535 24567042 25772606 29292630 38658909 40945070 61417605 64431515 77317818 122835210 128863030 193294545 386589090 7177670771 14355341542 21533012313 35888353855 43066024626 71776707710 107665061565 215330123130