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8949077956 = 22721324361103
BaseRepresentation
bin10000101010110100…
…00001011111000100
3212002200021021002201
420111122001133010
5121311430443311
64040001444244
7434523623200
oct102532013704
925080237081
108949077956
1138825807a5
121899040684
13ac8061300
1460c75bb00
153759bd9c1
hex2156817c4

8949077956 has 216 divisors, whose sum is σ = 20715799104. Its totient is φ = 3368252160.

The previous prime is 8949077953. The next prime is 8949077983. The reversal of 8949077956 is 6597709498.

It is not an unprimeable number, because it can be changed into a prime (8949077953) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 86884201 + ... + 86884303.

Almost surely, 28949077956 is an apocalyptic number.

8949077956 is a gapful number since it is divisible by the number (86) 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 8949077956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10357899552).

8949077956 is an abundant number, since it is smaller than the sum of its proper divisors (11766721148).

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

8949077956 is a wasteful number, since it uses less digits than its factorization.

8949077956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 64.

The square root of 8949077956 is about 94599.5663626425. The cubic root of 8949077956 is about 2076.1533593640.

The spelling of 8949077956 in words is "eight billion, nine hundred forty-nine million, seventy-seven thousand, nine hundred fifty-six".