Base | Representation |
---|---|
bin | 1110100011000… |
… | …10111011101000 |
3 | 22111122021110111 |
4 | 13101202323220 |
5 | 222220240130 |
6 | 20035424104 |
7 | 3011215603 |
oct | 721427350 |
9 | 274567414 |
10 | 122040040 |
11 | 62985541 |
12 | 34a55034 |
13 | 1c38c655 |
14 | 122cb33a |
15 | aaaa02a |
hex | 7462ee8 |
122040040 has 32 divisors (see below), whose sum is σ = 289044000. Its totient is φ = 46246464.
The previous prime is 122040029. The next prime is 122040043. The reversal of 122040040 is 40040221.
It is a super-3 number, since 3×1220400403 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122040040.
It is not an unprimeable number, because it can be changed into a prime (122040043) 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, 79530 + ... + 81049.
It is an arithmetic number, because the mean of its divisors is an integer number (9032625).
Almost surely, 2122040040 is an apocalyptic number.
122040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122040040 is an abundant number, since it is smaller than the sum of its proper divisors (167003960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122040040 is a wasteful number, since it uses less digits than its factorization.
122040040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160609 (or 160605 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 122040040 is about 11047.1733941312. The cubic root of 122040040 is about 496.0218187592.
Adding to 122040040 its reverse (40040221), we get a palindrome (162080261).
The spelling of 122040040 in words is "one hundred twenty-two million, forty thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •