Base | Representation |
---|---|
bin | 100000101110110101… |
… | …0100001001110000100 |
3 | 20201102200201220001121 |
4 | 1001131222201032010 |
5 | 2122423432411230 |
6 | 52142522003324 |
7 | 5035605553045 |
oct | 1013552411604 |
9 | 221380656047 |
10 | 70290903940 |
11 | 278a0423554 |
12 | 11758346544 |
13 | 68227ac16a |
14 | 358b4dc8cc |
15 | 1c65e2477a |
hex | 105daa1384 |
70290903940 has 48 divisors (see below), whose sum is σ = 155402755200. Its totient is φ = 26632634112.
The previous prime is 70290903929. The next prime is 70290903941. The reversal of 70290903940 is 4930909207.
It is a super-2 number, since 2×702909039402 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70290903941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993392 + ... + 5007448.
It is an arithmetic number, because the mean of its divisors is an integer number (3237557400).
Almost surely, 270290903940 is an apocalyptic number.
It is an amenable number.
70290903940 is an abundant number, since it is smaller than the sum of its proper divisors (85111851260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70290903940 is a wasteful number, since it uses less digits than its factorization.
70290903940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27244 (or 27242 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 43.
The spelling of 70290903940 in words is "seventy billion, two hundred ninety million, nine hundred three thousand, nine hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •