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168908750042 = 21718112743183
BaseRepresentation
bin1001110101001110111…
…1101111110011011010
3121010222112121112121012
42131103233233303122
510231411120000132
6205332352413522
715126500454254
oct2352357576332
9533875545535
10168908750042
11656a76499aa
122889b2472a2
1312c0ab4b056
148264b74cd4
1545d8b420b2
hex2753befcda

168908750042 has 16 divisors (see below), whose sum is σ = 268415068032. Its totient is φ = 79442550720.

The previous prime is 168908750029. The next prime is 168908750057. The reversal of 168908750042 is 240057809861.

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, 1310018 + ... + 1433165.

It is an arithmetic number, because the mean of its divisors is an integer number (16775941752).

Almost surely, 2168908750042 is an apocalyptic number.

168908750042 is a deficient number, since it is larger than the sum of its proper divisors (99506317990).

168908750042 is a wasteful number, since it uses less digits than its factorization.

168908750042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745013.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 168908750042 in words is "one hundred sixty-eight billion, nine hundred eight million, seven hundred fifty thousand, forty-two".

Divisors: 1 2 17 34 1811 3622 30787 61574 2743183 5486366 46634111 93268222 4967904413 9935808826 84454375021 168908750042