Search a number
-
+
1030697915965 = 51969911551917
BaseRepresentation
bin11101111111110100110…
…00100001011000111101
310122112102002222010120121
432333322120201120331
5113341332131302330
62105255053214541
7134315440506214
oct16777230413075
93575362863517
101030697915965
11368131115583
1214790a791451
137626b120563
1437c5944607b
151bc267a017a
hexeffa62163d

1030697915965 has 16 divisors (see below), whose sum is σ = 1302121278720. Its totient is φ = 781048284480.

The previous prime is 1030697915911. The next prime is 1030697915981. The reversal of 1030697915965 is 5695197960301.

It is not a de Polignac number, because 1030697915965 - 219 = 1030697391677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111814 + ... + 1440103.

It is an arithmetic number, because the mean of its divisors is an integer number (81382579920).

Almost surely, 21030697915965 is an apocalyptic number.

It is an amenable number.

1030697915965 is a deficient number, since it is larger than the sum of its proper divisors (271423362755).

1030697915965 is a wasteful number, since it uses less digits than its factorization.

1030697915965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558932.

The product of its (nonzero) digits is 13778100, while the sum is 61.

The spelling of 1030697915965 in words is "one trillion, thirty billion, six hundred ninety-seven million, nine hundred fifteen thousand, nine hundred sixty-five".

Divisors: 1 5 19 95 6991 34955 132829 664145 1551917 7759585 29486423 147432115 10849451747 54247258735 206139583193 1030697915965