Base | Representation |
---|---|
bin | 101110101110011111101… |
… | …101010101000001000100 |
3 | 102100222012111200111012112 |
4 | 232232133231111001010 |
5 | 410102132111430040 |
6 | 10455042223040152 |
7 | 450663032626355 |
oct | 56563755250104 |
9 | 12328174614175 |
10 | 3211020030020 |
11 | 1028871106600 |
12 | 43a398140058 |
13 | 1a3a4ac6a6aa |
14 | b15b27bdd2c |
15 | 587d53b2365 |
hex | 2eb9fb55044 |
3211020030020 has 72 divisors (see below), whose sum is σ = 7414088123904. Its totient is φ = 1167296328000.
The previous prime is 3211020029993. The next prime is 3211020030041. The reversal of 3211020030020 is 200300201123.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 3211020029977 and 3211020030004.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8010575 + ... + 8401865.
Almost surely, 23211020030020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3211020030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3707044061952).
3211020030020 is an abundant number, since it is smaller than the sum of its proper divisors (4203068093884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3211020030020 is a wasteful number, since it uses less digits than its factorization.
3211020030020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394713 (or 394700 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 3211020030020 its reverse (200300201123), we get a palindrome (3411320231143).
The spelling of 3211020030020 in words is "three trillion, two hundred eleven billion, twenty million, thirty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •