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137294817232896 = 21137611134447
BaseRepresentation
bin11111001101111001110000…
…110011111000100000000000
3200000010020220212121110000000
4133031321300303320200000
5120443414241202423041
61204000211320000000
740630136363125221
oct3715716063704000
9600106825543000
10137294817232896
113a823450072174
12134947a4600000
135b7bacc04b2cb
1425c916709b248
1510d154744bbb6
hex7cde70cf8800

137294817232896 has 768 divisors, whose sum is σ = 422268873062400. Its totient is φ = 44606301143040.

The previous prime is 137294817232871. The next prime is 137294817232897. The reversal of 137294817232896 is 698232718492731.

137294817232896 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 9 + 48 + 172 + 328 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (137294817232897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30873579345 + ... + 30873583791.

It is an arithmetic number, because the mean of its divisors is an integer number (549829261800).

Almost surely, 2137294817232896 is an apocalyptic number.

137294817232896 is a gapful number since it is divisible by the number (16) 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 137294817232896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211134436531200).

137294817232896 is an abundant number, since it is smaller than the sum of its proper divisors (284974055829504).

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

137294817232896 is an frugal number, since it uses more digits than its factorization.

137294817232896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664 (or 4626 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 137294817232896 in words is "one hundred thirty-seven trillion, two hundred ninety-four billion, eight hundred seventeen million, two hundred thirty-two thousand, eight hundred ninety-six".