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149868111686 = 2122960971567
BaseRepresentation
bin1000101110010011010…
…1011110011101000110
3112022211120021220010012
42023210311132131012
54423412214033221
6152503133430222
713553604634136
oct2134465363506
9468746256105
10149868111686
1158616707547
122506663b372
1311195152337
14737a05cac6
153d7222b65b
hex22e4d5e746

149868111686 has 8 divisors (see below), whose sum is σ = 224985085920. Its totient is φ = 74873083048.

The previous prime is 149868111671. The next prime is 149868111703. The reversal of 149868111686 is 686111868941.

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

It is a congruent number.

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, 30483326 + ... + 30488241.

It is an arithmetic number, because the mean of its divisors is an integer number (28123135740).

Almost surely, 2149868111686 is an apocalyptic number.

149868111686 is a deficient number, since it is larger than the sum of its proper divisors (75116974234).

149868111686 is a wasteful number, since it uses less digits than its factorization.

149868111686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60972798.

The product of its digits is 3981312, while the sum is 59.

The spelling of 149868111686 in words is "one hundred forty-nine billion, eight hundred sixty-eight million, one hundred eleven thousand, six hundred eighty-six".

Divisors: 1 2 1229 2458 60971567 121943134 74934055843 149868111686