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8049015369 = 3213712315303
BaseRepresentation
bin1110111111100001…
…00011101001001001
3202202221122100100100
413133300203221021
5112441021442434
63410410200013
7403314334053
oct73760435111
922687570310
108049015369
11346050641a
121687723009
139b37452b5
14564dc68d3
1532197d699
hex1dfc23a49

8049015369 has 24 divisors (see below), whose sum is σ = 11722943232. Its totient is φ = 5321511360.

The previous prime is 8049015343. The next prime is 8049015397. The reversal of 8049015369 is 9635109408.

It is a happy number.

8049015369 is a `hidden beast` number, since 8 + 0 + 490 + 153 + 6 + 9 = 666.

It is not a de Polignac number, because 8049015369 - 219 = 8048491081 is a prime.

It is a super-2 number, since 2×80490153692 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8049015769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515172 + ... + 1520474.

It is an arithmetic number, because the mean of its divisors is an integer number (488455968).

Almost surely, 28049015369 is an apocalyptic number.

It is an amenable number.

8049015369 is a deficient number, since it is larger than the sum of its proper divisors (3673927863).

8049015369 is a wasteful number, since it uses less digits than its factorization.

8049015369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6674 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 8049015369 is about 89716.3049227954. The cubic root of 8049015369 is about 2004.0763003268.

It can be divided in two parts, 80490 and 15369, that added together give a palindrome (95859).

The spelling of 8049015369 in words is "eight billion, forty-nine million, fifteen thousand, three hundred sixty-nine".

Divisors: 1 3 9 137 411 1231 1233 3693 5303 11079 15909 47727 168647 505941 726511 1517823 2179533 6527993 6538599 19583979 58751937 894335041 2683005123 8049015369