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8995403957 = 103331263849
BaseRepresentation
bin10000110000010101…
…01111100010110101
3212012220102212102112
420120022233202311
5121410310411312
64044334420405
7435625446341
oct103012574265
925186385375
108995403957
1138a6742151
1218b0661705
13b04831347
1461497a621
15379abed22
hex2182af8b5

8995403957 has 8 divisors (see below), whose sum is σ = 9110212800. Its totient is φ = 8881123680.

The previous prime is 8995403941. The next prime is 8995403981. The reversal of 8995403957 is 7593045998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8995403957 - 24 = 8995403941 is a prime.

It is a super-2 number, since 2×89954039572 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8995403896 and 8995403905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8995403357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97832 + ... + 166017.

It is an arithmetic number, because the mean of its divisors is an integer number (1138776600).

Almost surely, 28995403957 is an apocalyptic number.

It is an amenable number.

8995403957 is a deficient number, since it is larger than the sum of its proper divisors (114808843).

8995403957 is a wasteful number, since it uses less digits than its factorization.

8995403957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264283.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The square root of 8995403957 is about 94844.1034382212. The cubic root of 8995403957 is about 2079.7296829585.

The spelling of 8995403957 in words is "eight billion, nine hundred ninety-five million, four hundred three thousand, nine hundred fifty-seven".

Divisors: 1 103 331 34093 263849 27176447 87334019 8995403957