Base | Representation |
---|---|
bin | 1110000111001011111000… |
… | …00011100011011110001110 |
3 | 11001212202011110110001112100 |
4 | 13003211330003203132032 |
5 | 13031422013311120420 |
6 | 150000244154015530 |
7 | 6352035056555640 |
oct | 703457403433616 |
9 | 131782143401470 |
10 | 31033220020110 |
11 | 9985129737820 |
12 | 35925427175a6 |
13 | 144155cc2b009 |
14 | 794031758890 |
15 | 38c3a2bbe190 |
hex | 1c397c0e378e |
31033220020110 has 192 divisors, whose sum is σ = 100846868189184. Its totient is φ = 6432379776000.
The previous prime is 31033220020091. The next prime is 31033220020123. The reversal of 31033220020110 is 1102002233013.
31033220020110 is a `hidden beast` number, since 3 + 1 + 0 + 332 + 200 + 20 + 110 = 666.
It is a super-2 number, since 2×310332200201102 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2804734 + ... + 8362593.
It is an arithmetic number, because the mean of its divisors is an integer number (525244105152).
Almost surely, 231033220020110 is an apocalyptic number.
31033220020110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31033220020110 is an abundant number, since it is smaller than the sum of its proper divisors (69813648169074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31033220020110 is a wasteful number, since it uses less digits than its factorization.
31033220020110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11167759 (or 11167756 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 31033220020110 its reverse (1102002233013), we get a palindrome (32135222253123).
The spelling of 31033220020110 in words is "thirty-one trillion, thirty-three billion, two hundred twenty million, twenty thousand, one hundred ten".
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