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20130111412 = 2219264869887
BaseRepresentation
bin10010101111110110…
…010001111110110100
31220221220100121112221
4102233312101332310
5312211302031122
613125254052124
71311562060315
oct225766217664
956856317487
1020130111412
11859aa17714
123a9964a044
131b8a632038
14d8d6b460c
157cc3bc6c7
hex4afd91fb4

20130111412 has 12 divisors (see below), whose sum is σ = 37081784320. Its totient is φ = 9535315896.

The previous prime is 20130111409. The next prime is 20130111413. The reversal of 20130111412 is 21411103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130111413) 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, 132434868 + ... + 132435019.

Almost surely, 220130111412 is an apocalyptic number.

It is an amenable number.

20130111412 is a deficient number, since it is larger than the sum of its proper divisors (16951672908).

20130111412 is a wasteful number, since it uses less digits than its factorization.

20130111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264869910 (or 264869908 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20130111412 its reverse (21411103102), we get a palindrome (41541214514).

The spelling of 20130111412 in words is "twenty billion, one hundred thirty million, one hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 264869887 529739774 1059479548 5032527853 10065055706 20130111412