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999997000003 = 1117998944597
BaseRepresentation
bin11101000110101000111…
…01110100100101000011
310112121011111210000021001
432203110131310211003
5112340443213000003
62043220422112431
7132150600152461
oct16432435644503
93477144700231
10999997000003
11356107266a61
12141980b7b717
13733b77881b1
1436585ca5831
151b02b37261d
hexe8d4774943

999997000003 has 4 divisors (see below), whose sum is σ = 1000006056400. Its totient is φ = 999987943608.

The previous prime is 999996999983. The next prime is 999997000027. The reversal of 999997000003 is 300000799999.

999997000003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300000799999 = 793797478481.

It is a cyclic number.

It is not a de Polignac number, because 999997000003 - 237 = 862558046531 is a prime.

It is the 999999-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999996999899 and 999996999908.

It is not an unprimeable number, because it can be changed into a prime (999997000103) by changing a digit.

It is a nontrivial repunit in base 999998.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4360500 + ... + 4584097.

It is an arithmetic number, because the mean of its divisors is an integer number (250001514100).

Almost surely, 2999997000003 is an apocalyptic number.

999997000003 is a deficient number, since it is larger than the sum of its proper divisors (9056397).

999997000003 is a wasteful number, since it uses less digits than its factorization.

999997000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056396.

The product of its (nonzero) digits is 1240029, while the sum is 55.

The spelling of 999997000003 in words is "nine hundred ninety-nine billion, nine hundred ninety-seven million, three", and thus it is an aban number.

Divisors: 1 111799 8944597 999997000003