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1230001000002 = 23268333388889
BaseRepresentation
bin10001111001100001110…
…001011100111001000010
311100120211212212211002200
4101321201301130321002
5130123020224000002
62341015450054030
7154602366665235
oct21714161347102
94316755784080
101230001000002
11434705553475
1217a470a1a316
138bcb0c40008
1443764b5341c
1521edd960b1c
hex11e61c5ce42

1230001000002 has 12 divisors (see below), whose sum is σ = 2665002166710. Its totient is φ = 410000333328.

The previous prime is 1230000999989. The next prime is 1230001000069. The reversal of 1230001000002 is 2000001000321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1078795899801 + 151205100201 = 1038651^2 + 388851^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34166694427 + ... + 34166694462.

Almost surely, 21230001000002 is an apocalyptic number.

1230001000002 is an abundant number, since it is smaller than the sum of its proper divisors (1435001166708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230001000002 is a wasteful number, since it uses less digits than its factorization.

1230001000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68333388897 (or 68333388894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1230001000002 its reverse (2000001000321), we get a palindrome (3230002000323).

The spelling of 1230001000002 in words is "one trillion, two hundred thirty billion, one million, two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 68333388889 136666777778 205000166667 410000333334 615000500001 1230001000002