Base | Representation |
---|---|
bin | 1000010100011111010… |
… | …0110001110111100111 |
3 | 111122221122211102221102 |
4 | 2011013310301313213 |
5 | 4320214332020410 |
6 | 145355405310315 |
7 | 13220105635106 |
oct | 2050764616747 |
9 | 448848742842 |
10 | 142938938855 |
11 | 55690339429 |
12 | 23851b6539b |
13 | 1062c71757b |
14 | 6cbda9c03d |
15 | 3ab8c532a5 |
hex | 2147d31de7 |
142938938855 has 8 divisors (see below), whose sum is σ = 180554449200. Its totient is φ = 108332669376.
The previous prime is 142938938837. The next prime is 142938938881. The reversal of 142938938855 is 558839839241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142938938855 - 28 = 142938938599 is a prime.
It is a super-2 number, since 2×1429389388552 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142938938791 and 142938938800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752310110 + ... + 752310299.
It is an arithmetic number, because the mean of its divisors is an integer number (22569306150).
Almost surely, 2142938938855 is an apocalyptic number.
142938938855 is a deficient number, since it is larger than the sum of its proper divisors (37615510345).
142938938855 is a wasteful number, since it uses less digits than its factorization.
142938938855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1504620433.
The product of its digits is 74649600, while the sum is 65.
The spelling of 142938938855 in words is "one hundred forty-two billion, nine hundred thirty-eight million, nine hundred thirty-eight thousand, eight hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •