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70872811189056 = 26333137276712923
BaseRepresentation
bin10000000111010101011100…
…101111000011001101000000
3100021221101010001212011002000
4100013111130233003031000
533242140004131022211
6410422304152224000
720633251221234132
oct2007253457031500
9307841101764060
1070872811189056
1120644a992a1928
127b4776109b000
13307137b644aa6
141370395cdb052
1582d8700e3656
hex40755cbc3340

70872811189056 has 448 divisors, whose sum is σ = 220983741480960. Its totient is φ = 22234540124160.

The previous prime is 70872811189013. The next prime is 70872811189057. The reversal of 70872811189056 is 65098111827807.

It is a super-2 number, since 2×708728111890562 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70872811188984 and 70872811189002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70872811189057) 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, 5484231811 + ... + 5484244733.

Almost surely, 270872811189056 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 70872811189056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110491870740480).

70872811189056 is an abundant number, since it is smaller than the sum of its proper divisors (150110930291904).

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

70872811189056 is a wasteful number, since it uses less digits than its factorization.

70872811189056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15779 (or 15763 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 63.

The spelling of 70872811189056 in words is "seventy trillion, eight hundred seventy-two billion, eight hundred eleven million, one hundred eighty-nine thousand, fifty-six".