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139785714768 = 243717434712109
BaseRepresentation
bin1000001000101111100…
…0001011110001010000
3111100210220111001200010
42002023320023301100
54242240120333033
6144114444554520
713046006654010
oct2021370136120
9440726431603
10139785714768
1154312434507
1223111b52a40
13102493757bb
146aa0dabc40
153981ee4863
hex208be0bc50

139785714768 has 320 divisors, whose sum is σ = 456690769920. Its totient is φ = 35931119616.

The previous prime is 139785714749. The next prime is 139785714781. The reversal of 139785714768 is 867417587931.

It is a junction number, because it is equal to n+sod(n) for n = 139785714699 and 139785714708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11537898 + ... + 11550006.

It is an arithmetic number, because the mean of its divisors is an integer number (1427158656).

Almost surely, 2139785714768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139785714768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228345384960).

139785714768 is an abundant number, since it is smaller than the sum of its proper divisors (316905055152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139785714768 is a wasteful number, since it uses less digits than its factorization.

139785714768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234 (or 12228 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 66.

The spelling of 139785714768 in words is "one hundred thirty-nine billion, seven hundred eighty-five million, seven hundred fourteen thousand, seven hundred sixty-eight".