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18886000430168 = 2331305932489237
BaseRepresentation
bin1000100101101001111010…
…10110001100110001011000
32110212111001211201220102122
410102310331112030301120
54433412012102231133
6104100035301120412
73656316460636634
oct422647526146130
973774054656378
1018886000430168
116021564982023
1221502973b9108
13a6cc3301a641
1449413178ddc4
1522b405339498
hex112d3d58cc58

18886000430168 has 32 divisors (see below), whose sum is σ = 36554758738560. Its totient is φ = 9138084925440.

The previous prime is 18886000430159. The next prime is 18886000430221. The reversal of 18886000430168 is 86103400068881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342446 + ... + 8831682.

It is an arithmetic number, because the mean of its divisors is an integer number (1142336210580).

Almost surely, 218886000430168 is an apocalyptic number.

It is an amenable number.

18886000430168 is a deficient number, since it is larger than the sum of its proper divisors (17668758308392).

18886000430168 is a wasteful number, since it uses less digits than its factorization.

18886000430168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519867 (or 2519863 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 18886000430168 in words is "eighteen trillion, eight hundred eighty-six billion, four hundred thirty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 31 62 124 248 30593 61186 122372 244744 948383 1896766 2489237 3793532 4978474 7587064 9956948 19913896 77166347 154332694 308665388 617330776 76153227541 152306455082 304612910164 609225820328 2360750053771 4721500107542 9443000215084 18886000430168