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8010028909 = 47792157293
BaseRepresentation
bin1110111010110111…
…10101011101101101
3202200020021121222101
413131123311131231
5112401031411114
63402454415101
7402332056651
oct73533653555
922606247871
108010028909
1134404a8303
121676661491
139a8644b9c
1455db58a61
1531d32bd74
hex1dd6f576d

8010028909 has 8 divisors (see below), whose sum is σ = 8284008960. Its totient is φ = 7740363696.

The previous prime is 8010028903. The next prime is 8010028931. The reversal of 8010028909 is 9098200108.

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 8010028909 - 229 = 7473157997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010028903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074934 + ... + 1082359.

It is an arithmetic number, because the mean of its divisors is an integer number (1035501120).

Almost surely, 28010028909 is an apocalyptic number.

It is an amenable number.

8010028909 is a deficient number, since it is larger than the sum of its proper divisors (273980051).

8010028909 is a wasteful number, since it uses less digits than its factorization.

8010028909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157419.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 8010028909 is about 89498.7648462257. The cubic root of 8010028909 is about 2000.8353934270.

The spelling of 8010028909 in words is "eight billion, ten million, twenty-eight thousand, nine hundred nine".

Divisors: 1 47 79 3713 2157293 101392771 170426147 8010028909