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912718681968 = 243312412545171
BaseRepresentation
bin11010100100000100100…
…01011101011101110000
310020020212221020001220110
431102002101131131300
5104423221440310333
61535144104541320
7122641006534662
oct15220221353560
93206787201813
10912718681968
113220999a0905
12128a83781840
13680b87a1522
1432266642532
1518b1de10063
hexd48245d770

912718681968 has 80 divisors (see below), whose sum is σ = 2444016684032. Its totient is φ = 293203584000.

The previous prime is 912718681957. The next prime is 912718681991. The reversal of 912718681968 is 869186817219.

It is a junction number, because it is equal to n+sod(n) for n = 912718681899 and 912718681908.

It is a congruent number.

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, 913978 + ... + 1631193.

Almost surely, 2912718681968 is an apocalyptic number.

It is an amenable number.

912718681968 is an abundant number, since it is smaller than the sum of its proper divisors (1531298002064).

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

912718681968 is a wasteful number, since it uses less digits than its factorization.

912718681968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545454 (or 2545448 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 66.

The spelling of 912718681968 in words is "nine hundred twelve billion, seven hundred eighteen million, six hundred eighty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 241 248 372 482 496 723 744 964 1446 1488 1928 2892 3856 5784 7471 11568 14942 22413 29884 44826 59768 89652 119536 179304 358608 2545171 5090342 7635513 10180684 15271026 20361368 30542052 40722736 61084104 78900301 122168208 157800602 236700903 315601204 473401806 613386211 631202408 946803612 1226772422 1262404816 1840158633 1893607224 2453544844 3680317266 3787214448 4907089688 7360634532 9814179376 14721269064 19014972541 29442538128 38029945082 57044917623 76059890164 114089835246 152119780328 228179670492 304239560656 456359340984 912718681968