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23046155442 = 2323737991303
BaseRepresentation
bin10101011101101010…
…000110110010110010
32012111010101222221200
4111131222012302302
5334144303433232
614330503032030
71444051042362
oct253552066262
965433358850
1023046155442
119856a54762
12457213b616
1322337cc68b
141188aa49a2
158ed3ca77c
hex55da86cb2

23046155442 has 48 divisors (see below), whose sum is σ = 51418760640. Its totient is φ = 7454625696.

The previous prime is 23046155401. The next prime is 23046155453. The reversal of 23046155442 is 24455164032.

23046155442 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 61 + 554 + 42 = 666.

It is a super-2 number, since 2×230461554422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23046155397 and 23046155406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206763 + ... + 298065.

It is an arithmetic number, because the mean of its divisors is an integer number (1071224180).

Almost surely, 223046155442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23046155442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25709380320).

23046155442 is an abundant number, since it is smaller than the sum of its proper divisors (28372605198).

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

23046155442 is a wasteful number, since it uses less digits than its factorization.

23046155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91727 (or 91724 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 23046155442 in words is "twenty-three billion, forty-six million, one hundred fifty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 379 666 758 1137 2274 3411 6822 14023 28046 42069 84138 91303 126207 182606 252414 273909 547818 821727 1643454 3378211 6756422 10134633 20269266 30403899 34603837 60807798 69207674 103811511 207623022 311434533 622869066 1280341969 2560683938 3841025907 7682051814 11523077721 23046155442