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996294000641 = 6403071555963
BaseRepresentation
bin11100111111101111100…
…00000000000000000001
310112020121102221011002112
432133313300000000001
5112310402231010031
62041405142025105
7131660044164122
oct16376760000001
93466542834075
10996294000641
11354586a98805
12141108a18195
1372c47554304
1436314184049
151adb121762b
hexe7f7c00001

996294000641 has 4 divisors (see below), whose sum is σ = 996296196912. Its totient is φ = 996291804372.

The previous prime is 996294000629. The next prime is 996294000643. The reversal of 996294000641 is 146000492699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 996294000641 - 218 = 996293738497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 996294000641.

It is not an unprimeable number, because it can be changed into a prime (996294000643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137675 + ... + 1418288.

It is an arithmetic number, because the mean of its divisors is an integer number (249074049228).

It is a Proth number, since it is equal to 237535 ⋅ 222 + 1 and 237535 < 222.

Almost surely, 2996294000641 is an apocalyptic number.

It is an amenable number.

996294000641 is a deficient number, since it is larger than the sum of its proper divisors (2196271).

996294000641 is a wasteful number, since it uses less digits than its factorization.

996294000641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196270.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 996294000641 in words is "nine hundred ninety-six billion, two hundred ninety-four million, six hundred forty-one", and thus it is an aban number.

Divisors: 1 640307 1555963 996294000641