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23140866792 = 23361831571213
BaseRepresentation
bin10101100011010011…
…011001101011101000
32012201201121211111110
4111203103121223220
5334343030214132
614344125030320
71446311056641
oct254323315350
965651554443
1023140866792
1198a54637aa
1245999b53a0
13224a310bb4
1411974ba6c8
159068881cc
hex5634d9ae8

23140866792 has 128 divisors (see below), whose sum is σ = 59937413760. Its totient is φ = 7441873920.

The previous prime is 23140866761. The next prime is 23140866797. The reversal of 23140866792 is 29766804132.

It is not an unprimeable number, because it can be changed into a prime (23140866797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19076778 + ... + 19077990.

It is an arithmetic number, because the mean of its divisors is an integer number (468261045).

Almost surely, 223140866792 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 23140866792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29968706880).

23140866792 is an abundant number, since it is smaller than the sum of its proper divisors (36796546968).

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

23140866792 is a wasteful number, since it uses less digits than its factorization.

23140866792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 23140866792 in words is "twenty-three billion, one hundred forty million, eight hundred sixty-six thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 61 83 122 157 166 183 244 249 314 332 366 471 488 498 628 664 732 942 996 1213 1256 1464 1884 1992 2426 3639 3768 4852 5063 7278 9577 9704 10126 13031 14556 15189 19154 20252 26062 28731 29112 30378 38308 39093 40504 52124 57462 60756 73993 76616 78186 100679 104248 114924 121512 147986 156372 190441 201358 221979 229848 295972 302037 312744 380882 402716 443958 571323 591944 604074 761764 794891 805432 887916 1142646 1208148 1523528 1589782 1775832 2285292 2384673 2416296 3179564 4570584 4769346 6141419 6359128 9538692 11616901 12282838 15806603 18424257 19077384 23233802 24565676 31613206 34850703 36848514 46467604 47419809 49131352 63226412 69701406 73697028 92935208 94839618 126452824 139402812 147394056 189679236 278805624 379358472 964202783 1928405566 2892608349 3856811132 5785216698 7713622264 11570433396 23140866792