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8980294687 = 71398684557
BaseRepresentation
bin10000101110100010…
…00110110000011111
3212011212000020101221
420113101012300133
5121342423412222
64043034514211
7435353150110
oct102721066037
925155006357
108980294687
113899162351
1218a7595967
13b01671050
14612966207
153785d80c7
hex217446c1f

8980294687 has 8 divisors (see below), whose sum is σ = 11052670496. Its totient is φ = 7105288032.

The previous prime is 8980294667. The next prime is 8980294703. The reversal of 8980294687 is 7864920898.

8980294687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8980294687 - 219 = 8979770399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980294627) 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, 49342188 + ... + 49342369.

It is an arithmetic number, because the mean of its divisors is an integer number (1381583812).

Almost surely, 28980294687 is an apocalyptic number.

8980294687 is a deficient number, since it is larger than the sum of its proper divisors (2072375809).

8980294687 is a wasteful number, since it uses less digits than its factorization.

8980294687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98684577.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The square root of 8980294687 is about 94764.4167765517. The cubic root of 8980294687 is about 2078.5646136490.

The spelling of 8980294687 in words is "eight billion, nine hundred eighty million, two hundred ninety-four thousand, six hundred eighty-seven".

Divisors: 1 7 13 91 98684557 690791899 1282899241 8980294687