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7870534056 = 233272112103179
BaseRepresentation
bin1110101010001111…
…01101000110101000
3202022111210120000100
413111013231012220
5112104324042211
63340552505400
7366016302300
oct72507550650
922274716010
107870534056
113379790800
1216379ab260
13985783758
14549406600
15310e75156
hex1d51ed1a8

7870534056 has 432 divisors, whose sum is σ = 27673682400. Its totient is φ = 2013137280.

The previous prime is 7870534039. The next prime is 7870534057. The reversal of 7870534056 is 6504350787.

It is a super-2 number, since 2×78705340562 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7870534057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 43969375 + ... + 43969553.

It is an arithmetic number, because the mean of its divisors is an integer number (64059450).

Almost surely, 27870534056 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 7870534056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13836841200).

7870534056 is an abundant number, since it is smaller than the sum of its proper divisors (19803148344).

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

7870534056 is a wasteful number, since it uses less digits than its factorization.

7870534056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 7870534056 is about 88716.0304341893. The cubic root of 7870534056 is about 1989.1524429553.

The spelling of 7870534056 in words is "seven billion, eight hundred seventy million, five hundred thirty-four thousand, fifty-six".