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8030684641 = 75919444757
BaseRepresentation
bin1110111101010101…
…01000010111100001
3202201200011001022111
413132222220113201
5112421323402031
63404513235321
7403002456520
oct73652502741
922650131274
108030684641
113451126261
121681562b41
139ac9c7905
145627b44b7
1532005c1b1
hex1deaa85e1

8030684641 has 8 divisors (see below), whose sum is σ = 9333483840. Its totient is φ = 6766775088.

The previous prime is 8030684639. The next prime is 8030684653. The reversal of 8030684641 is 1464860308.

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 8030684641 - 21 = 8030684639 is a prime.

It is a super-3 number, since 3×80306846413 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8030684594 and 8030684603.

It is not an unprimeable number, because it can be changed into a prime (8030684341) 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, 9721966 + ... + 9722791.

It is an arithmetic number, because the mean of its divisors is an integer number (1166685480).

Almost surely, 28030684641 is an apocalyptic number.

It is an amenable number.

8030684641 is a deficient number, since it is larger than the sum of its proper divisors (1302799199).

8030684641 is a wasteful number, since it uses less digits than its factorization.

8030684641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444823.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 8030684641 is about 89614.0872910058. The cubic root of 8030684641 is about 2002.5537911042.

The spelling of 8030684641 in words is "eight billion, thirty million, six hundred eighty-four thousand, six hundred forty-one".

Divisors: 1 7 59 413 19444757 136113299 1147240663 8030684641