Base | Representation |
---|---|
bin | 1001001001100100011101… |
… | …10101001001100101001010 |
3 | 2122020110022000010022212120 |
4 | 10210302032311021211022 |
5 | 10114121301404041020 |
6 | 110443002213552110 |
7 | 4144423633444143 |
oct | 444621665114512 |
9 | 78213260108776 |
10 | 20120023112010 |
11 | 6457943578598 |
12 | 230b48b045636 |
13 | b2c405200b43 |
14 | 4d7b5869caca |
15 | 24d57bda4740 |
hex | 124c8ed4994a |
20120023112010 has 32 divisors (see below), whose sum is σ = 48341294845632. Its totient is φ = 5359424010240.
The previous prime is 20120023111973. The next prime is 20120023112023. The reversal of 20120023112010 is 1021132002102.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369690231 + ... + 369744650.
It is an arithmetic number, because the mean of its divisors is an integer number (1510665463926).
Almost surely, 220120023112010 is an apocalyptic number.
20120023112010 is an abundant number, since it is smaller than the sum of its proper divisors (28221271733622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120023112010 is a wasteful number, since it uses less digits than its factorization.
20120023112010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739435798.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20120023112010 its reverse (1021132002102), we get a palindrome (21141155114112).
The spelling of 20120023112010 in words is "twenty trillion, one hundred twenty billion, twenty-three million, one hundred twelve thousand, ten".
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