Base | Representation |
---|---|
bin | 11011000111110111… |
… | …001001010101011111 |
3 | 2210011121220220220220 |
4 | 123013313021111133 |
5 | 434120432112134 |
6 | 21213501212423 |
7 | 2050456533363 |
oct | 330767112537 |
9 | 83147826826 |
10 | 29122925919 |
11 | 1139515031a |
12 | 5789261113 |
13 | 2991767859 |
14 | 15a3b792a3 |
15 | b56b2a149 |
hex | 6c7dc955f |
29122925919 has 8 divisors (see below), whose sum is σ = 38832069120. Its totient is φ = 19414533336.
The previous prime is 29122925917. The next prime is 29122925927. The reversal of 29122925919 is 91952922192.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29122925919 - 21 = 29122925917 is a prime.
It is a super-2 number, since 2×291229259192 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29122925911) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89839 + ... + 257520.
It is an arithmetic number, because the mean of its divisors is an integer number (4854008640).
Almost surely, 229122925919 is an apocalyptic number.
29122925919 is a deficient number, since it is larger than the sum of its proper divisors (9709143201).
29122925919 is a wasteful number, since it uses less digits than its factorization.
29122925919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375309.
The product of its digits is 524880, while the sum is 51.
The spelling of 29122925919 in words is "twenty-nine billion, one hundred twenty-two million, nine hundred twenty-five thousand, nine hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •