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146494081979 = 7191877586819
BaseRepresentation
bin1000100001101110111…
…0100100101110111011
3112000010102110102110222
42020123232210232323
54400004441110404
6151144244330255
713404155102630
oct2103356445673
9460112412428
10146494081979
11571450aa043
12244846a398b
1310a7812025b
147139cd2187
153c25e03dbe
hex221bba4bbb

146494081979 has 16 divisors (see below), whose sum is σ = 176327673600. Its totient is φ = 118894021344.

The previous prime is 146494081939. The next prime is 146494081991. The reversal of 146494081979 is 979180494641.

It is not a de Polignac number, because 146494081979 - 216 = 146494016443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146494081939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43769 + ... + 543050.

It is an arithmetic number, because the mean of its divisors is an integer number (11020479600).

Almost surely, 2146494081979 is an apocalyptic number.

146494081979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

146494081979 is a deficient number, since it is larger than the sum of its proper divisors (29833591621).

146494081979 is a wasteful number, since it uses less digits than its factorization.

146494081979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588722.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 146494081979 in words is "one hundred forty-six billion, four hundred ninety-four million, eighty-one thousand, nine hundred seventy-nine".

Divisors: 1 7 19 133 1877 13139 35663 249641 586819 4107733 11149561 78046927 1101459263 7710214841 20927725997 146494081979