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20113010143 = 415971181647
BaseRepresentation
bin10010101110110101…
…000010110111011111
31220220201011210000121
4102232311002313133
5312142412311033
613123443335411
71311263523352
oct225665026737
956821153017
1020113010143
1185912a7236
123a93981567
131b86c25145
14d8b302299
157cab4062d
hex4aed42ddf

20113010143 has 32 divisors (see below), whose sum is σ = 21398307840. Its totient is φ = 18883872000.

The previous prime is 20113010119. The next prime is 20113010147. The reversal of 20113010143 is 34101031102.

It is a cyclic number.

It is not a de Polignac number, because 20113010143 - 217 = 20112879071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113010147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31086246 + ... + 31086892.

It is an arithmetic number, because the mean of its divisors is an integer number (668697120).

Almost surely, 220113010143 is an apocalyptic number.

20113010143 is a deficient number, since it is larger than the sum of its proper divisors (1285297697).

20113010143 is a wasteful number, since it uses less digits than its factorization.

20113010143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20113010143 its reverse (34101031102), we get a palindrome (54214041245).

The spelling of 20113010143 in words is "twenty billion, one hundred thirteen million, ten thousand, one hundred forty-three".

Divisors: 1 41 59 71 181 647 2419 2911 4189 7421 10679 12851 26527 38173 45937 117107 171749 437839 526891 758209 1565093 1883417 2710283 4801387 6909313 8314597 31086569 111121603 283281833 340898477 490561223 20113010143