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20130110001 = 326779422573
BaseRepresentation
bin10010101111110110…
…010001101000110001
31220221220100112121200
4102233312101220301
5312211302010001
613125254041413
71311562053231
oct225766215061
956856315550
1020130110001
11859aa16651
123a99649269
131b8a6314c1
14d8d6b3cc1
157cc3bc086
hex4afd91a31

20130110001 has 24 divisors (see below), whose sum is σ = 29884433280. Its totient is φ = 13052403936.

The previous prime is 20130109939. The next prime is 20130110009. The reversal of 20130110001 is 10001103102.

It is not a de Polignac number, because 20130110001 - 214 = 20130093617 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (20130110009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163650 + ... + 258923.

It is an arithmetic number, because the mean of its divisors is an integer number (1245184720).

Almost surely, 220130110001 is an apocalyptic number.

It is an amenable number.

20130110001 is a deficient number, since it is larger than the sum of its proper divisors (9754323279).

20130110001 is a wasteful number, since it uses less digits than its factorization.

20130110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422725 (or 422722 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20130110001 its reverse (10001103102), we get a palindrome (30131213103).

The spelling of 20130110001 in words is "twenty billion, one hundred thirty million, one hundred ten thousand, one".

Divisors: 1 3 9 67 79 201 237 603 711 5293 15879 47637 422573 1267719 3803157 28312391 33383267 84937173 100149801 254811519 300449403 2236678889 6710036667 20130110001