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8041385401 = 740910332719
BaseRepresentation
bin1110111110100110…
…11100110110111001
3202202102021200222221
413133103130312321
5112432043313101
63405534444041
7403162435210
oct73723346671
922672250887
108041385401
113457174965
121685063621
139b1ca341a
14563d9c077
15320e72aa1
hex1df4dcdb9

8041385401 has 16 divisors (see below), whose sum is σ = 9224934400. Its totient is φ = 6866581248.

The previous prime is 8041385357. The next prime is 8041385413. The reversal of 8041385401 is 1045831408.

It is a cyclic number.

It is not a de Polignac number, because 8041385401 - 223 = 8032996793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8041385501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956120 + ... + 2958838.

It is an arithmetic number, because the mean of its divisors is an integer number (576558400).

Almost surely, 28041385401 is an apocalyptic number.

It is an amenable number.

8041385401 is a deficient number, since it is larger than the sum of its proper divisors (1183548999).

8041385401 is a wasteful number, since it uses less digits than its factorization.

8041385401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 8041385401 is about 89673.7720908405. The cubic root of 8041385401 is about 2003.4428533962.

The spelling of 8041385401 in words is "eight billion, forty-one million, three hundred eighty-five thousand, four hundred one".

Divisors: 1 7 409 1033 2719 2863 7231 19033 422497 1112071 2808727 2957479 7784497 19661089 1148769343 8041385401