Search a number
-
+
78368300899 = 7149269327901
BaseRepresentation
bin100100011111100011…
…1010101111101100011
321111021121210011121221
41020333013111331203
52240444241112044
6100000224355511
75443016365240
oct1107707257543
9244247704557
1078368300899
1130265954429
1213231475b97
13750c0808a5
143b161925c7
15208a10c484
hex123f1d5f63

78368300899 has 16 divisors (see below), whose sum is σ = 90201585600. Its totient is φ = 66694838400.

The previous prime is 78368300897. The next prime is 78368300903. The reversal of 78368300899 is 99800386387.

It is a cyclic number.

It is not a de Polignac number, because 78368300899 - 21 = 78368300897 is a prime.

It is a super-2 number, since 2×783683008992 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78368300891) 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, 2794849 + ... + 2822749.

It is an arithmetic number, because the mean of its divisors is an integer number (5637599100).

Almost surely, 278368300899 is an apocalyptic number.

78368300899 is a deficient number, since it is larger than the sum of its proper divisors (11833284701).

78368300899 is a wasteful number, since it uses less digits than its factorization.

78368300899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30750.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 78368300899 in words is "seventy-eight billion, three hundred sixty-eight million, three hundred thousand, eight hundred ninety-nine".

Divisors: 1 7 149 1043 2693 18851 27901 195307 401257 2808799 4157249 29100743 75137393 525961751 11195471557 78368300899