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168630994 = 2712045071
BaseRepresentation
bin10100000110100…
…01101011010010
3102202022100020101
422003101223102
5321132142434
624422203014
74115224360
oct1203215322
9382270211
10168630994
1187207a64
124858346a
1328c2316c
1418578630
15ec0eb14
hexa0d1ad2

168630994 has 8 divisors (see below), whose sum is σ = 289081728. Its totient is φ = 72270420.

The previous prime is 168630967. The next prime is 168631013. The reversal of 168630994 is 499036861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1686309943 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022522 + ... + 6022549.

It is an arithmetic number, because the mean of its divisors is an integer number (36135216).

Almost surely, 2168630994 is an apocalyptic number.

168630994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168630994 is a deficient number, since it is larger than the sum of its proper divisors (120450734).

168630994 is a wasteful number, since it uses less digits than its factorization.

168630994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045080.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 168630994 is about 12985.7997058325. The cubic root of 168630994 is about 552.4747914763.

The spelling of 168630994 in words is "one hundred sixty-eight million, six hundred thirty thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 12045071 24090142 84315497 168630994