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139971622430464 = 28112329673073623
BaseRepresentation
bin11111110100110110101110…
…110101010110011100000000
3200100121011020000211122102021
4133310312232311112130000
5121321243340320233324
61213410024201131224
741324421200651146
oct3764665665263400
9610534200748367
10139971622430464
11406656a489a240
1213847531189b14
136014362505b36
14267c93c535596
15112aeb3042ae4
hex7f4daed56700

139971622430464 has 576 divisors, whose sum is σ = 335106198282240. Its totient is φ = 57677242613760.

The previous prime is 139971622430417. The next prime is 139971622430491. The reversal of 139971622430464 is 464034226179931.

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, 38634174957 + ... + 38634178579.

It is an arithmetic number, because the mean of its divisors is an integer number (581781594240).

Almost surely, 2139971622430464 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 139971622430464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167553099141120).

139971622430464 is an abundant number, since it is smaller than the sum of its proper divisors (195134575851776).

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

139971622430464 is a wasteful number, since it uses less digits than its factorization.

139971622430464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 139971622430464 in words is "one hundred thirty-nine trillion, nine hundred seventy-one billion, six hundred twenty-two million, four hundred thirty thousand, four hundred sixty-four".