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23001033012 = 2237326256887
BaseRepresentation
bin10101011010111101…
…111110100100110100
32012100222111112121120
4111122331332210310
5334101231024022
614322211543540
71442662361166
oct253275764464
965328445546
1023001033012
1198335355a1
12455abbabb0
132227361409
141182aba936
158e9465d5c
hex55af7e934

23001033012 has 24 divisors (see below), whose sum is σ = 54404271936. Its totient is φ = 7561983168.

The previous prime is 23001032993. The next prime is 23001033023. The reversal of 23001033012 is 21033010032.

It is a super-2 number, since 2×230010330122 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23001032982 and 23001033000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13127568 + ... + 13129319.

It is an arithmetic number, because the mean of its divisors is an integer number (2266844664).

Almost surely, 223001033012 is an apocalyptic number.

It is an amenable number.

23001033012 is an abundant number, since it is smaller than the sum of its proper divisors (31403238924).

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

23001033012 is a wasteful number, since it uses less digits than its factorization.

23001033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26256967 (or 26256965 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23001033012 its reverse (21033010032), we get a palindrome (44034043044).

The spelling of 23001033012 in words is "twenty-three billion, one million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 26256887 52513774 78770661 105027548 157541322 315082644 1916752751 3833505502 5750258253 7667011004 11500516506 23001033012