Search a number
-
+
1013213231000 = 23531013213231
BaseRepresentation
bin11101011111010000011…
…01101111011110011000
310120212021120110002212222
432233220031233132120
5113100030041343000
62053244055523212
7133126240235255
oct16575015573630
93525246402788
101013213231000
113607794aaa13
1214444b089508
13747128a7c19
143707b23a42c
151b551787a85
hexebe836f798

1013213231000 has 32 divisors (see below), whose sum is σ = 2370918962880. Its totient is φ = 405285292000.

The previous prime is 1013213230957. The next prime is 1013213231011. The reversal of 1013213231000 is 1323123101.

It is a super-2 number, since 2×10132132310002 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013213231000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506605616 + ... + 506607615.

It is an arithmetic number, because the mean of its divisors is an integer number (74091217590).

Almost surely, 21013213231000 is an apocalyptic number.

1013213231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013213231000 is an abundant number, since it is smaller than the sum of its proper divisors (1357705731880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013213231000 is a wasteful number, since it uses less digits than its factorization.

1013213231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013213252 (or 1013213238 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013213231000 its reverse (1323123101), we get a palindrome (1014536354101).

The spelling of 1013213231000 in words is "one trillion, thirteen billion, two hundred thirteen million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1013213231 2026426462 4052852924 5066066155 8105705848 10132132310 20264264620 25330330775 40528529240 50660661550 101321323100 126651653875 202642646200 253303307750 506606615500 1013213231000