Base | Representation |
---|---|
bin | 111100100101111010… |
… | …1000001100101011011 |
3 | 110102212101000100202121 |
4 | 1321023311001211123 |
5 | 4112442012211303 |
6 | 135435445042111 |
7 | 12254345015605 |
oct | 1711365014533 |
9 | 412771010677 |
10 | 130121210203 |
11 | 50203038156 |
12 | 212753b6337 |
13 | c36903354a |
14 | 642561c175 |
15 | 35b88079bd |
hex | 1e4bd4195b |
130121210203 has 8 divisors (see below), whose sum is σ = 130287036096. Its totient is φ = 129955488000.
The previous prime is 130121210143. The next prime is 130121210213. The reversal of 130121210203 is 302012121031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130121210203 is a prime.
It is a super-2 number, since 2×1301212102032 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130121210213) 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, 2659723 + ... + 2708203.
It is an arithmetic number, because the mean of its divisors is an integer number (16285879512).
Almost surely, 2130121210203 is an apocalyptic number.
130121210203 is a deficient number, since it is larger than the sum of its proper divisors (165825893).
130121210203 is a wasteful number, since it uses less digits than its factorization.
130121210203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51845.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 130121210203 its reverse (302012121031), we get a palindrome (432133331234).
The spelling of 130121210203 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred ten thousand, two hundred three".
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