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23945281792 = 281035631613
BaseRepresentation
bin10110010011010000…
…000000000100000000
32021210210021100102121
4112103100000010000
5343014443004132
615000022254024
71505246352115
oct262320000400
967723240377
1023945281792
11a17853a693
124783287314
132347b7b4c3
14123227490c
159522d3497
hex593400100

23945281792 has 72 divisors (see below), whose sum is σ = 48376770624. Its totient is φ = 11828004864.

The previous prime is 23945281769. The next prime is 23945281859. The reversal of 23945281792 is 29718254932.

It is a happy 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, 14844378 + ... + 14845990.

It is an arithmetic number, because the mean of its divisors is an integer number (671899592).

Almost surely, 223945281792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23945281792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24188385312).

23945281792 is an abundant number, since it is smaller than the sum of its proper divisors (24431488832).

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

23945281792 is a wasteful number, since it uses less digits than its factorization.

23945281792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2281 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The spelling of 23945281792 in words is "twenty-three billion, nine hundred forty-five million, two hundred eighty-one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 103 128 206 256 412 563 824 1126 1613 1648 2252 3226 3296 4504 6452 6592 9008 12904 13184 18016 25808 26368 36032 51616 57989 72064 103232 115978 144128 166139 206464 231956 332278 412928 463912 664556 908119 927824 1329112 1816238 1855648 2658224 3632476 3711296 5316448 7264952 7422592 10632896 14529904 14845184 21265792 29059808 42531584 58119616 93536257 116239232 187072514 232478464 374145028 748290056 1496580112 2993160224 5986320448 11972640896 23945281792