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20102012119 = 710912632187
BaseRepresentation
bin10010101110001011…
…000101110011010111
31220212221111000120101
4102232023011303113
5312132103341434
613122411514531
71311101166220
oct225613056327
956787430511
1020102012119
118586075262
123a90158a47
131b84874237
14d89a7c247
157c9bbbb14
hex4ae2c5cd7

20102012119 has 8 divisors (see below), whose sum is σ = 22994794368. Its totient is φ = 17214496440.

The previous prime is 20102012089. The next prime is 20102012129. The reversal of 20102012119 is 91121020102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20102012119 - 27 = 20102011991 is a prime.

It is a super-2 number, since 2×201020121192 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20102012096 and 20102012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102012129) 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, 1308457 + ... + 1323730.

It is an arithmetic number, because the mean of its divisors is an integer number (2874349296).

Almost surely, 220102012119 is an apocalyptic number.

20102012119 is a deficient number, since it is larger than the sum of its proper divisors (2892782249).

20102012119 is a wasteful number, since it uses less digits than its factorization.

20102012119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633285.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 20102012119 in words is "twenty billion, one hundred two million, twelve thousand, one hundred nineteen".

Divisors: 1 7 1091 7637 2632187 18425309 2871716017 20102012119