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14028357018 = 23132330725471
BaseRepresentation
bin11010001000010011…
…11011110110011010
31100012122211101002110
431010021323312122
5212212224411033
610240004213150
71004431032024
oct150411736632
940178741073
1014028357018
115a49707295
12287609a1b6
13142745a090
14971179014
15571885363
hex34427bd9a

14028357018 has 64 divisors (see below), whose sum is σ = 31632556032. Its totient is φ = 4115136960.

The previous prime is 14028356999. The next prime is 14028357043. The reversal of 14028357018 is 81075382041.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 538023 + ... + 563493.

It is an arithmetic number, because the mean of its divisors is an integer number (494258688).

Almost surely, 214028357018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14028357018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15816278016).

14028357018 is an abundant number, since it is smaller than the sum of its proper divisors (17604199014).

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

14028357018 is a wasteful number, since it uses less digits than its factorization.

14028357018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25819.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 14028357018 in words is "fourteen billion, twenty-eight million, three hundred fifty-seven thousand, eighteen".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 307 598 614 897 921 1794 1842 3991 7061 7982 11973 14122 21183 23946 25471 42366 50942 76413 91793 152826 183586 275379 331123 550758 585833 662246 993369 1171666 1757499 1986738 3514998 7615829 7819597 15231658 15639194 22847487 23458791 45694974 46917582 101654761 179850731 203309522 304964283 359701462 539552193 609928566 1079104386 2338059503 4676119006 7014178509 14028357018