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8006074321 = 71993573871
BaseRepresentation
bin1110111010011001…
…01111111111010001
3202122221211201022011
413131030233333101
5112344023334241
63402233542521
7402253336360
oct73514577721
922587751264
108006074321
113439247153
121675274a41
139a788bbab
1455d4097d7
1531ccea281
hex1dd32ffd1

8006074321 has 8 divisors (see below), whose sum is σ = 9154406144. Its totient is φ = 6858894240.

The previous prime is 8006074277. The next prime is 8006074339. The reversal of 8006074321 is 1234706008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8006074321 - 213 = 8006066129 is a prime.

It is a super-2 number, since 2×80060743212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8006074361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272985 + ... + 300886.

It is an arithmetic number, because the mean of its divisors is an integer number (1144300768).

Almost surely, 28006074321 is an apocalyptic number.

It is an amenable number.

8006074321 is a deficient number, since it is larger than the sum of its proper divisors (1148331823).

8006074321 is a wasteful number, since it uses less digits than its factorization.

8006074321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575871.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8006074321 is about 89476.6691434141. The cubic root of 8006074321 is about 2000.5060653548.

The spelling of 8006074321 in words is "eight billion, six million, seventy-four thousand, three hundred twenty-one".

Divisors: 1 7 1993 13951 573871 4017097 1143724903 8006074321