Base | Representation |
---|---|
bin | 1110000110110011010001… |
… | …11011000010110100110010 |
3 | 11001211111002010012211112211 |
4 | 13003121220323002310302 |
5 | 13031212442103321432 |
6 | 145550221525442334 |
7 | 6351056603352100 |
oct | 703315073026462 |
9 | 131744063184484 |
10 | 31020014120242 |
11 | 997a57230a794 |
12 | 358ba77b703aa |
13 | 1440236cb7794 |
14 | 79353b912c70 |
15 | 38bd7d649d47 |
hex | 1c3668ec2d32 |
31020014120242 has 192 divisors, whose sum is σ = 59283615605760. Its totient is φ = 12091219660800.
The previous prime is 31020014120237. The next prime is 31020014120281. The reversal of 31020014120242 is 24202141002013.
It is a super-2 number, since 2×310200141202422 (a number of 28 digits) contains 22 as substring.
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, 4523842878 + ... + 4523849734.
It is an arithmetic number, because the mean of its divisors is an integer number (308768831280).
Almost surely, 231020014120242 is an apocalyptic number.
31020014120242 is a deficient number, since it is larger than the sum of its proper divisors (28263601485518).
31020014120242 is a wasteful number, since it uses less digits than its factorization.
31020014120242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7537 (or 7530 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 31020014120242 its reverse (24202141002013), we get a palindrome (55222155122255).
The spelling of 31020014120242 in words is "thirty-one trillion, twenty billion, fourteen million, one hundred twenty thousand, two hundred forty-two".
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