Base | Representation |
---|---|
bin | 111000101011000000… |
… | …0011110110011000010 |
3 | 102122010121212202112202 |
4 | 1301112000132303002 |
5 | 3443221211113020 |
6 | 131524213153202 |
7 | 11535614236151 |
oct | 1612600366302 |
9 | 378117782482 |
10 | 121702051010 |
11 | 476826a9251 |
12 | 1b70592b802 |
13 | b626a01347 |
14 | 5c67403598 |
15 | 3274611e75 |
hex | 1c5601ecc2 |
121702051010 has 8 divisors (see below), whose sum is σ = 219063691836. Its totient is φ = 48680820400.
The previous prime is 121702051007. The next prime is 121702051019. The reversal of 121702051010 is 10150207121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 121701206449 + 844561 = 348857^2 + 919^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1217020510102 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121702051019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085102541 + ... + 6085102560.
Almost surely, 2121702051010 is an apocalyptic number.
121702051010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121702051010 is a deficient number, since it is larger than the sum of its proper divisors (97361640826).
121702051010 is a wasteful number, since it uses less digits than its factorization.
121702051010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12170205108.
The product of its (nonzero) digits is 140, while the sum is 20.
Adding to 121702051010 its reverse (10150207121), we get a palindrome (131852258131).
The spelling of 121702051010 in words is "one hundred twenty-one billion, seven hundred two million, fifty-one thousand, ten".
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