Base | Representation |
---|---|
bin | 111000100010001001… |
… | …1011100101101110100 |
3 | 102121100220222200220000 |
4 | 1301010103130231310 |
5 | 3442114142031312 |
6 | 131434523111300 |
7 | 11525346520332 |
oct | 1610423345564 |
9 | 377326880800 |
10 | 121405033332 |
11 | 4753aa814a0 |
12 | 1b642372530 |
13 | b5aa308b3b |
14 | 5c39ba8b52 |
15 | 32584e1adc |
hex | 1c444dcb74 |
121405033332 has 120 divisors (see below), whose sum is σ = 349591674432. Its totient is φ = 36432115200.
The previous prime is 121405033331. The next prime is 121405033357. The reversal of 121405033332 is 233330504121.
121405033332 is a `hidden beast` number, since 12 + 140 + 503 + 3 + 3 + 3 + 2 = 666.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 121405033296 and 121405033305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121405033331) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 201732 + ... + 532452.
Almost surely, 2121405033332 is an apocalyptic number.
121405033332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121405033332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174795837216).
121405033332 is an abundant number, since it is smaller than the sum of its proper divisors (228186641100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121405033332 is a wasteful number, since it uses less digits than its factorization.
121405033332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330851 (or 330840 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 121405033332 its reverse (233330504121), we get a palindrome (354735537453).
The spelling of 121405033332 in words is "one hundred twenty-one billion, four hundred five million, thirty-three thousand, three hundred thirty-two".
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