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137882826720 = 253851931223
BaseRepresentation
bin1000000001101001110…
…1001111011111100000
3111011220021212100000000
42000122131033133200
54224341000423340
6143201551300000
712650602455312
oct2003235173740
9434807770000
10137882826720
1153526296561
122288081a600
1310005070542
1469603917b2
1538bee15d30
hex201a74f7e0

137882826720 has 864 divisors, whose sum is σ = 533284577280. Its totient is φ = 33558727680.

The previous prime is 137882826709. The next prime is 137882826737. The reversal of 137882826720 is 27628288731.

137882826720 is a `hidden beast` number, since 1 + 378 + 8 + 2 + 8 + 267 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 618308529 + ... + 618308751.

It is an arithmetic number, because the mean of its divisors is an integer number (617227520).

Almost surely, 2137882826720 is an apocalyptic number.

137882826720 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 137882826720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266642288640).

137882826720 is an abundant number, since it is smaller than the sum of its proper divisors (395401750560).

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

137882826720 is an equidigital number, since it uses as much as digits as its factorization.

137882826720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 137882826720 in words is "one hundred thirty-seven billion, eight hundred eighty-two million, eight hundred twenty-six thousand, seven hundred twenty".