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23001540132 = 2232281840331
BaseRepresentation
bin10101011010111111…
…111010011000100100
32012101000110022020210
4111122333322120210
5334101343241012
614322230455420
71442666602524
oct253277723044
965330408223
1023001540132
1198338515aa
12455b204570
1322274ab19c
141182bad684
158e951623c
hex55affa624

23001540132 has 24 divisors (see below), whose sum is σ = 53693853472. Its totient is φ = 7663809600.

The previous prime is 23001540131. The next prime is 23001540151. The reversal of 23001540132 is 23104510032.

It is a super-3 number, since 3×230015401323 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23001540099 and 23001540108.

It is not an unprimeable number, because it can be changed into a prime (23001540131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392794 + ... + 447537.

Almost surely, 223001540132 is an apocalyptic number.

It is an amenable number.

23001540132 is an abundant number, since it is smaller than the sum of its proper divisors (30692313340).

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

23001540132 is a wasteful number, since it uses less digits than its factorization.

23001540132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842619 (or 842617 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 23001540132 in words is "twenty-three billion, one million, five hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2281 4562 6843 9124 13686 27372 840331 1680662 2520993 3361324 5041986 10083972 1916795011 3833590022 5750385033 7667180044 11500770066 23001540132