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20124020113 = 177116672759
BaseRepresentation
bin10010101111011111…
…000010110110010001
31220221110220010212021
4102233133002312101
5312203222120423
613124515331441
71311456230401
oct225737026621
956843803767
1020124020113
11859753718a
123a975b0b81
131b892ab612
14d8c96a801
157cbab795d
hex4af7c2d91

20124020113 has 8 divisors (see below), whose sum is σ = 21607896960. Its totient is φ = 18673488960.

The previous prime is 20124020099. The next prime is 20124020123. The reversal of 20124020113 is 31102042102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20124020113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124020123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8335173 + ... + 8337586.

It is an arithmetic number, because the mean of its divisors is an integer number (2700987120).

Almost surely, 220124020113 is an apocalyptic number.

It is an amenable number.

20124020113 is a deficient number, since it is larger than the sum of its proper divisors (1483876847).

20124020113 is a wasteful number, since it uses less digits than its factorization.

20124020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672847.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20124020113 its reverse (31102042102), we get a palindrome (51226062215).

The spelling of 20124020113 in words is "twenty billion, one hundred twenty-four million, twenty thousand, one hundred thirteen".

Divisors: 1 17 71 1207 16672759 283436903 1183765889 20124020113