Search a number
-
+
121130311234020 = 223511183530774597
BaseRepresentation
bin11011100010101011011001…
…001011000011000111100100
3120212212221111122210000212020
4123202223121023003013210
5111334044334133442040
61105342255145223140
734341243014146314
oct3342533113030744
9525787448700766
10121130311234020
1135661092915a30
1211703a48191ab0
135278701bcc27a
1421caa4a03b444
15e00d2620ccd0
hex6e2ad92c31e4

121130311234020 has 48 divisors (see below), whose sum is σ = 369998041589568. Its totient is φ = 29364923935360.

The previous prime is 121130311234019. The next prime is 121130311234039. The reversal of 121130311234020 is 20432113031121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91765386639 + ... + 91765387958.

It is an arithmetic number, because the mean of its divisors is an integer number (7708292533116).

Almost surely, 2121130311234020 is an apocalyptic number.

121130311234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121130311234020 is an abundant number, since it is smaller than the sum of its proper divisors (248867730355548).

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

121130311234020 is a wasteful number, since it uses less digits than its factorization.

121130311234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183530774620 (or 183530774618 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121130311234020 its reverse (20432113031121), we get a palindrome (141562424265141).

The spelling of 121130311234020 in words is "one hundred twenty-one trillion, one hundred thirty billion, three hundred eleven million, two hundred thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 183530774597 367061549194 550592323791 734123098388 917653872985 1101184647582 1835307745970 2018838520567 2202369295164 2752961618955 3670615491940 4037677041134 5505923237910 6056515561701 8075354082268 10094192602835 11011846475820 12113031123402 20188385205670 24226062246804 30282577808505 40376770411340 60565155617010 121130311234020