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137594142720 = 222385
BaseRepresentation
bin1000000000100101000…
…0000000000000000000
3111011011011122200000000
42000021100000000000
54223243100031340
6143113200000000
712640465626066
oct2001120000000
9434134580000
10137594142720
1153398340a41
1222800000000
13cc8a3052c8
146933cc6036
1538a48ded30
hex2009400000

137594142720 has 414 divisors, whose sum is σ = 495313688922. Its totient is φ = 36691771392.

The previous prime is 137594142701. The next prime is 137594142727. The reversal of 137594142720 is 27241495731.

It is a Jordan-Polya number, since it can be written as 6! ⋅ (4!)6.

137594142720 is a `hidden beast` number, since 1 + 3 + 7 + 594 + 14 + 27 + 20 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110075314176 + 27518828544 = 331776^2 + 165888^2 .

It is a super-2 number, since 2×1375941427202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137594142727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27518828542 + ... + 27518828546.

Almost surely, 2137594142720 is an apocalyptic number.

137594142720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137594142720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247656844461).

137594142720 is an abundant number, since it is smaller than the sum of its proper divisors (357719546202).

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

137594142720 is an frugal number, since it uses more digits than its factorization.

137594142720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Multiplying 137594142720 by its sum of digits (45), we get a square (6191736422400 = 24883202).

137594142720 divided by its sum of digits (45) gives a square (3057647616 = 552962).

The spelling of 137594142720 in words is "one hundred thirty-seven billion, five hundred ninety-four million, one hundred forty-two thousand, seven hundred twenty".