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20112023001 = 3724711632503
BaseRepresentation
bin10010101110110001…
…010001110111011001
31220220122022121220210
4102232301101313121
5312142134214001
613123410241333
71311252242400
oct225661216731
956818277823
1020112023001
118590792614
123a93586249
131b8696aa35
14d8b126637
157ca9e7dd6
hex4aec51dd9

20112023001 has 48 divisors (see below), whose sum is σ = 31897995264. Its totient is φ = 11233899936.

The previous prime is 20112022981. The next prime is 20112023003. The reversal of 20112023001 is 10032021102.

It is not a de Polignac number, because 20112023001 - 210 = 20112021977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112023003) 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 47 ways as a sum of consecutive naturals, for example, 8033916 + ... + 8036418.

It is an arithmetic number, because the mean of its divisors is an integer number (664541568).

Almost surely, 220112023001 is an apocalyptic number.

20112023001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20112023001 is a deficient number, since it is larger than the sum of its proper divisors (11785972263).

20112023001 is a wasteful number, since it uses less digits than its factorization.

20112023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3723 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20112023001 its reverse (10032021102), we get a palindrome (30144044103).

The spelling of 20112023001 in words is "twenty billion, one hundred twelve million, twenty-three thousand, one".

Divisors: 1 3 7 21 47 49 141 147 329 987 1163 2303 2503 3489 6909 7509 8141 17521 24423 52563 54661 56987 117641 122647 163983 170961 352923 367941 382627 823487 1147881 2470461 2678389 2910989 5764409 8035167 8732967 17293227 20376923 61130769 136816483 142638461 410449449 427915383 957715381 2873146143 6704007667 20112023001