Base | Representation |
---|---|
bin | 10010110110100110… |
… | …01110101110100100 |
3 | 222010101202202022021 |
4 | 21123103032232210 |
5 | 131212123433213 |
6 | 4352211112524 |
7 | 505553023114 |
oct | 113323165644 |
9 | 28111682267 |
10 | 10121702308 |
11 | 4324489833 |
12 | 1b658a2744 |
13 | c53c8c183 |
14 | 6c03a3044 |
15 | 3e38ecd8d |
hex | 25b4ceba4 |
10121702308 has 12 divisors (see below), whose sum is σ = 18145003212. Its totient is φ = 4937415680.
The previous prime is 10121702303. The next prime is 10121702323. The reversal of 10121702308 is 80320712101.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6132769344 + 3988932964 = 78312^2 + 63158^2 .
It is a super-2 number, since 2×101217023082 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10121702303) 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, 30858685 + ... + 30859012.
It is an arithmetic number, because the mean of its divisors is an integer number (1512083601).
Almost surely, 210121702308 is an apocalyptic number.
It is an amenable number.
10121702308 is a deficient number, since it is larger than the sum of its proper divisors (8023300904).
10121702308 is a wasteful number, since it uses less digits than its factorization.
10121702308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61717742 (or 61717740 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 25.
The spelling of 10121702308 in words is "ten billion, one hundred twenty-one million, seven hundred two thousand, three hundred eight".
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