Search a number
-
+
11331103020 = 2235751251467
BaseRepresentation
bin10101000110110001…
…01110100100101100
31002020200110200012020
422203120232210230
5141201230244040
65112212510140
7550536533526
oct124330564454
932220420166
1011331103020
114895126456
12224291b350
1310b76c54b3
14796c5ca16
15464b93cd0
hex2a362e92c

11331103020 has 48 divisors (see below), whose sum is σ = 31769461248. Its totient is φ = 3017592000.

The previous prime is 11331103009. The next prime is 11331103051. The reversal of 11331103020 is 2030113311.

It is a super-3 number, since 3×113311030203 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 80674 + ... + 170793.

It is an arithmetic number, because the mean of its divisors is an integer number (661863776).

Almost surely, 211331103020 is an apocalyptic number.

11331103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331103020 is an abundant number, since it is smaller than the sum of its proper divisors (20438358228).

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

11331103020 is a wasteful number, since it uses less digits than its factorization.

11331103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252230 (or 252228 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11331103020 its reverse (2030113311), we get a palindrome (13361216331).

The spelling of 11331103020 in words is "eleven billion, three hundred thirty-one million, one hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 751 1502 2253 3004 3755 4506 7510 9012 11265 15020 22530 45060 251467 502934 754401 1005868 1257335 1508802 2514670 3017604 3772005 5029340 7544010 15088020 188851717 377703434 566555151 755406868 944258585 1133110302 1888517170 2266220604 2832775755 3777034340 5665551510 11331103020