Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1111101100101000010 |
3 | 110112010200220001012012 |
4 | 1322000101331211002 |
5 | 4121242302224302 |
6 | 140103042332522 |
7 | 12315221631311 |
oct | 1720021754502 |
9 | 415120801165 |
10 | 131001211202 |
11 | 5061484aa04 |
12 | 2148005a142 |
13 | c4794470b4 |
14 | 64aa450278 |
15 | 361abd3a52 |
hex | 1e8047d942 |
131001211202 has 8 divisors (see below), whose sum is σ = 198240771276. Its totient is φ = 64920954112.
The previous prime is 131001211193. The next prime is 131001211207. The reversal of 131001211202 is 202112100131.
It can be written as a sum of positive squares in 2 ways, for example, as 130748051281 + 253159921 = 361591^2 + 15911^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1310012112022 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131001211207) 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, 289825463 + ... + 289825914.
Almost surely, 2131001211202 is an apocalyptic number.
131001211202 is a deficient number, since it is larger than the sum of its proper divisors (67239560074).
131001211202 is a wasteful number, since it uses less digits than its factorization.
131001211202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 579651492.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 131001211202 its reverse (202112100131), we get a palindrome (333113311333).
The spelling of 131001211202 in words is "one hundred thirty-one billion, one million, two hundred eleven thousand, two hundred two".
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