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23133111310020 = 22354767139987517
BaseRepresentation
bin1010100001010000110001…
…11000011101011011000100
310000220111121022010221201010
411100220120320131123010
511013003102443410040
6121111112111002220
74605212030525025
oct520503070353304
9100814538127633
1023133111310020
11740977428a138
122717428209370
13cba59b4733ba
1459d91191cc4c
152a1b2a66ce80
hex150a18e1d6c4

23133111310020 has 192 divisors, whose sum is σ = 67186938470400. Its totient is φ = 5943145747968.

The previous prime is 23133111309989. The next prime is 23133111310093. The reversal of 23133111310020 is 2001311133132.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 264283302 + ... + 264370818.

It is an arithmetic number, because the mean of its divisors is an integer number (349931971200).

Almost surely, 223133111310020 is an apocalyptic number.

23133111310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23133111310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33593469235200).

23133111310020 is an abundant number, since it is smaller than the sum of its proper divisors (44053827160380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23133111310020 is a wasteful number, since it uses less digits than its factorization.

23133111310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89042 (or 89040 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23133111310020 its reverse (2001311133132), we get a palindrome (25134422443152).

The spelling of 23133111310020 in words is "twenty-three trillion, one hundred thirty-three billion, one hundred eleven million, three hundred ten thousand, twenty".