Base | Representation |
---|---|
bin | 11110110111100011001… |
… | …110001001010010101000 |
3 | 21111210021020101101212210 |
4 | 132313203032021102220 |
5 | 234223240114404112 |
6 | 4302251410205120 |
7 | 306153040053525 |
oct | 36674316112250 |
9 | 7453236341783 |
10 | 2121231013032 |
11 | 74867767424a |
12 | 2a3137b837a0 |
13 | 1250537b1001 |
14 | 7494d4ba14c |
15 | 3a2a1097b3c |
hex | 1ede33894a8 |
2121231013032 has 64 divisors (see below), whose sum is σ = 5762257459200. Its totient is φ = 648253955520.
The previous prime is 2121231013019. The next prime is 2121231013039. The reversal of 2121231013032 is 2303101321212.
It is not an unprimeable number, because it can be changed into a prime (2121231013039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75015258 + ... + 75043529.
It is an arithmetic number, because the mean of its divisors is an integer number (90035272800).
Almost surely, 22121231013032 is an apocalyptic number.
It is an amenable number.
2121231013032 is an abundant number, since it is smaller than the sum of its proper divisors (3641026446168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121231013032 is a wasteful number, since it uses less digits than its factorization.
2121231013032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150058846 (or 150058842 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2121231013032 its reverse (2303101321212), we get a palindrome (4424332334244).
The spelling of 2121231013032 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-one million, thirteen thousand, thirty-two".
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