Search a number
-
+
3120223311020 = 225618330813977
BaseRepresentation
bin101101011001111011110…
…011010101010010101100
3102001021211201122021002002
4231121323303111102230
5402110204131423040
610345224422151432
7441300020353034
oct55317363252254
912037751567062
103120223311020
11aa3308795762
12424878582578
1319830b073a6a
14ab03bb6c8c4
155626e10aa15
hex2d67bcd54ac

3120223311020 has 48 divisors (see below), whose sum is σ = 6740126291808. Its totient is φ = 1212838095360.

The previous prime is 3120223310989. The next prime is 3120223311071. The reversal of 3120223311020 is 201133220213.

It is a super-2 number, since 2×31202233110202 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3120223310983 and 3120223311001.

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, 15305729 + ... + 15508248.

It is an arithmetic number, because the mean of its divisors is an integer number (140419297746).

Almost surely, 23120223311020 is an apocalyptic number.

It is an amenable number.

3120223311020 is an abundant number, since it is smaller than the sum of its proper divisors (3619902980788).

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

3120223311020 is a wasteful number, since it uses less digits than its factorization.

3120223311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814130 (or 30814128 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3120223311020 its reverse (201133220213), we get a palindrome (3321356531233).

The spelling of 3120223311020 in words is "three trillion, one hundred twenty billion, two hundred twenty-three million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 61 83 122 166 244 305 332 415 610 830 1220 1660 5063 10126 20252 25315 50630 101260 30813977 61627954 123255908 154069885 308139770 616279540 1879652597 2557560091 3759305194 5115120182 7518610388 9398262985 10230240364 12787800455 18796525970 25575600910 37593051940 51151201820 156011165551 312022331102 624044662204 780055827755 1560111655510 3120223311020