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7668113712 = 243732716977
BaseRepresentation
bin1110010010000111…
…00010000100110000
3201210101220112111120
413021003202010300
5111201014114322
63304522142240
7361010614440
oct71103420460
921711815446
107668113712
1132854a5366
1215a0051980
1395285c8bc
1452a594120
152ed2dda5c
hex1c90e2130

7668113712 has 80 divisors (see below), whose sum is σ = 22649359872. Its totient is φ = 2189905920.

The previous prime is 7668113639. The next prime is 7668113759. The reversal of 7668113712 is 2173118667.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 1095568 + ... + 1102544.

Almost surely, 27668113712 is an apocalyptic number.

It is an amenable number.

7668113712 is an abundant number, since it is smaller than the sum of its proper divisors (14981246160).

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

7668113712 is a wasteful number, since it uses less digits than its factorization.

7668113712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266 (or 10260 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 7668113712 is about 87567.7663983729. The cubic root of 7668113712 is about 1971.9512829683.

The spelling of 7668113712 in words is "seven billion, six hundred sixty-eight million, one hundred thirteen thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3271 6542 6977 9813 13084 13954 19626 20931 22897 26168 27908 39252 41862 45794 48839 52336 55816 68691 78504 83724 91588 97678 111632 137382 146517 157008 167448 183176 195356 274764 293034 334896 366352 390712 549528 586068 781424 1099056 1172136 2344272 22821767 45643534 68465301 91287068 136930602 159752369 182574136 273861204 319504738 365148272 479257107 547722408 639009476 958514214 1095444816 1278018952 1917028428 2556037904 3834056856 7668113712