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100023030012 = 2238335252501
BaseRepresentation
bin101110100100111010…
…1100101000011111100
3100120011202222101111010
41131021311211003330
53114321343430022
6113541104355220
710140443504253
oct1351165450374
9316152871433
10100023030012
1139468435974
1217475615b10
139580514079
144bac13779a
15290628850c
hex1749d650fc

100023030012 has 12 divisors (see below), whose sum is σ = 233387070056. Its totient is φ = 33341010000.

The previous prime is 100023030007. The next prime is 100023030017. The reversal of 100023030012 is 210030320001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100023030007) and next prime (100023030017).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8335252501 = 100023030012 / (1 + 0 + 0 + 0 + 2 + 3 + 0 + 3 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 100023030012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023030017) 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, 4167626239 + ... + 4167626262.

Almost surely, 2100023030012 is an apocalyptic number.

100023030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100023030012 is an abundant number, since it is smaller than the sum of its proper divisors (133364040044).

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

100023030012 is a wasteful number, since it uses less digits than its factorization.

100023030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335252508 (or 8335252506 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100023030012 its reverse (210030320001), we get a palindrome (310053350013).

The spelling of 100023030012 in words is "one hundred billion, twenty-three million, thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 8335252501 16670505002 25005757503 33341010004 50011515006 100023030012