Base | Representation |
---|---|
bin | 11011101111011111110010… |
… | …111001010111000000110010 |
3 | 121000000011021002021210012020 |
4 | 123233133302321113000302 |
5 | 111443012430020201320 |
6 | 1111255102050412310 |
7 | 34462006360363455 |
oct | 3357376271270062 |
9 | 530004232253166 |
10 | 122011211100210 |
11 | 35970733927573 |
12 | 1182670b891096 |
13 | 53107b955b243 |
14 | 221b53486149c |
15 | e18bd19c0940 |
hex | 6ef7f2e57032 |
122011211100210 has 32 divisors (see below), whose sum is σ = 292832383177152. Its totient is φ = 32535714456000.
The previous prime is 122011211100197. The next prime is 122011211100211. The reversal of 122011211100210 is 12001112110221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 122011211100210.
It is not an unprimeable number, because it can be changed into a prime (122011211100211) 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, 36399541 + ... + 39609960.
It is an arithmetic number, because the mean of its divisors is an integer number (9151011974286).
Almost surely, 2122011211100210 is an apocalyptic number.
122011211100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122011211100210 is an abundant number, since it is smaller than the sum of its proper divisors (170821172076942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011211100210 is a wasteful number, since it uses less digits than its factorization.
122011211100210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76063018.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 122011211100210 its reverse (12001112110221), we get a palindrome (134012323210431).
The spelling of 122011211100210 in words is "one hundred twenty-two trillion, eleven billion, two hundred eleven million, one hundred thousand, two hundred ten".
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