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20103133144 = 232719924197
BaseRepresentation
bin10010101110001111…
…010111011111011000
31220220000120222022211
4102232033113133120
5312132400230034
613122451524504
71311113545423
oct225617273730
956800528284
1020103133144
118586770526
123a905b9734
131b84b77573
14d89c909ba
157c9d3dd64
hex4ae3d77d8

20103133144 has 16 divisors (see below), whose sum is σ = 37707278400. Its totient is φ = 10047858912.

The previous prime is 20103133133. The next prime is 20103133159. The reversal of 20103133144 is 44133130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440347 + ... + 483850.

It is an arithmetic number, because the mean of its divisors is an integer number (2356704900).

Almost surely, 220103133144 is an apocalyptic number.

It is an amenable number.

20103133144 is a deficient number, since it is larger than the sum of its proper divisors (17604145256).

20103133144 is a wasteful number, since it uses less digits than its factorization.

20103133144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926922 (or 926918 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20103133144 its reverse (44133130102), we get a palindrome (64236263246).

The spelling of 20103133144 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 2719 5438 10876 21752 924197 1848394 3696788 7393576 2512891643 5025783286 10051566572 20103133144