Search a number
-
+
8041621379 = 11739989251
BaseRepresentation
bin1110111110101000…
…10110011110000011
3202202102201200200212
413133110112132003
5112432123341004
63405543504335
7403164440201
oct73724263603
922672650625
108041621379
113457316190
1216851580ab
139b205695c
14564020071
15320ebc96e
hex1df516783

8041621379 has 8 divisors (see below), whose sum is σ = 8784557760. Its totient is φ = 7300665000.

The previous prime is 8041621373. The next prime is 8041621411. The reversal of 8041621379 is 9731261408.

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 8041621379 - 232 = 3746654083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8041621373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486497 + ... + 502754.

It is an arithmetic number, because the mean of its divisors is an integer number (1098069720).

Almost surely, 28041621379 is an apocalyptic number.

8041621379 is a deficient number, since it is larger than the sum of its proper divisors (742936381).

8041621379 is a wasteful number, since it uses less digits than its factorization.

8041621379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990001.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8041621379 is about 89675.0878393771. The cubic root of 8041621379 is about 2003.4624505091.

The spelling of 8041621379 in words is "eight billion, forty-one million, six hundred twenty-one thousand, three hundred seventy-nine".

Divisors: 1 11 739 8129 989251 10881761 731056489 8041621379