Base | Representation |
---|---|
bin | 1100010000001100100… |
… | …10100000110010101010 |
3 | 1111020201001221101011100 |
4 | 12020012102200302222 |
5 | 23344213122424320 |
6 | 521224350542230 |
7 | 42263035412361 |
oct | 6100622406252 |
9 | 1436631841140 |
10 | 421012311210 |
11 | 152606523857 |
12 | 69718207976 |
13 | 3091697399a |
14 | 1653cabc7d8 |
15 | ae41478790 |
hex | 62064a0caa |
421012311210 has 24 divisors (see below), whose sum is σ = 1094632009380. Its totient is φ = 112269949632.
The previous prime is 421012311199. The next prime is 421012311211. The reversal of 421012311210 is 12113210124.
421012311210 is a `hidden beast` number, since 42 + 101 + 2 + 311 + 210 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 368302120641 + 52710190569 = 606879^2 + 229587^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (421012311211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2338957195 + ... + 2338957374.
Almost surely, 2421012311210 is an apocalyptic number.
421012311210 is an abundant number, since it is smaller than the sum of its proper divisors (673619698170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421012311210 is a wasteful number, since it uses less digits than its factorization.
421012311210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4677914582 (or 4677914579 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 421012311210 its reverse (12113210124), we get a palindrome (433125521334).
The spelling of 421012311210 in words is "four hundred twenty-one billion, twelve million, three hundred eleven thousand, two hundred ten".
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