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138802837707671 = 1492773363042127
BaseRepresentation
bin11111100011110110001101…
…110101011101101110010111
3200012110102101102011220201212
4133203312031311131232113
5121143121202423121141
61211113050544212035
741144113466511164
oct3743661565355627
9605412342156655
10138802837707671
1140254a53337a05
1213698b0560a01b
135c5b088cc6277
14263c143a0106b
15110a8a89d82eb
hex7e3d8dd5db97

138802837707671 has 8 divisors (see below), whose sum is σ = 140238856737600. Its totient is φ = 137373544762848.

The previous prime is 138802837707649. The next prime is 138802837707683. The reversal of 138802837707671 is 176707738208831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-138802837707671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138802837707571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681479791 + ... + 1681562336.

It is an arithmetic number, because the mean of its divisors is an integer number (17529857092200).

Almost surely, 2138802837707671 is an apocalyptic number.

138802837707671 is a deficient number, since it is larger than the sum of its proper divisors (1436019029929).

138802837707671 is a wasteful number, since it uses less digits than its factorization.

138802837707671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363042553.

The product of its (nonzero) digits is 132765696, while the sum is 68.

The spelling of 138802837707671 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred thirty-seven million, seven hundred seven thousand, six hundred seventy-one".

Divisors: 1 149 277 41273 3363042127 501093276923 931562669179 138802837707671