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148668490637 = 2343150322033
BaseRepresentation
bin1000101001110101010…
…1010010001110001101
3112012201221222211101222
42022131111102032031
54413433113200022
6152144121413125
713512100214522
oct2123525221615
9465657884358
10148668490637
115806053a497
122499093a1a5
13110337614b4
1472a49cb149
153d01c68242
hex229d55238d

148668490637 has 8 divisors (see below), whose sum is σ = 158740067904. Its totient is φ = 138897557568.

The previous prime is 148668490573. The next prime is 148668490639. The reversal of 148668490637 is 736094866841.

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

It is a cyclic number.

It is not a de Polignac number, because 148668490637 - 26 = 148668490573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148668490637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148668490639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75160028 + ... + 75162005.

It is an arithmetic number, because the mean of its divisors is an integer number (19842508488).

Almost surely, 2148668490637 is an apocalyptic number.

It is an amenable number.

148668490637 is a deficient number, since it is larger than the sum of its proper divisors (10071577267).

148668490637 is a wasteful number, since it uses less digits than its factorization.

148668490637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150322099.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 148668490637 in words is "one hundred forty-eight billion, six hundred sixty-eight million, four hundred ninety thousand, six hundred thirty-seven".

Divisors: 1 23 43 989 150322033 3457406759 6463847419 148668490637