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23347707968 = 261347738179
BaseRepresentation
bin10101101111101000…
…011100000001000000
32020021010211110020202
4111233220130001000
5340304003123333
614420434224332
71454402146304
oct255750340100
966233743222
1023347707968
1199a1199622
1246371250a8
132281122020
1411b6b5dd04
15919ae45e8
hex56fa1c040

23347707968 has 112 divisors (see below), whose sum is σ = 51660430080. Its totient is φ = 10400845824.

The previous prime is 23347707949. The next prime is 23347707973. The reversal of 23347707968 is 86970774332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850503 + ... + 2858681.

It is an arithmetic number, because the mean of its divisors is an integer number (461253840).

Almost surely, 223347707968 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 23347707968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25830215040).

23347707968 is an abundant number, since it is smaller than the sum of its proper divisors (28312722112).

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

23347707968 is a wasteful number, since it uses less digits than its factorization.

23347707968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8314 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 23347707968 in words is "twenty-three billion, three hundred forty-seven million, seven hundred seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 47 52 64 73 94 104 146 188 208 292 376 416 584 611 752 832 949 1168 1222 1504 1898 2336 2444 3008 3431 3796 4672 4888 6862 7592 8179 9776 13724 15184 16358 19552 27448 30368 32716 39104 44603 54896 60736 65432 89206 106327 109792 130864 178412 212654 219584 261728 356824 384413 425308 523456 597067 713648 768826 850616 1194134 1427296 1537652 1701232 2388268 2854592 3075304 3402464 4776536 4997369 6150608 6804928 7761871 9553072 9994738 12301216 15523742 19106144 19989476 24602432 28062149 31047484 38212288 39978952 56124298 62094968 79957904 112248596 124189936 159915808 224497192 248379872 319831616 364807937 448994384 496759744 729615874 897988768 1459231748 1795977536 2918463496 5836926992 11673853984 23347707968