Base | Representation |
---|---|
bin | 111101000001001001… |
… | …1101111100011001101 |
3 | 110112020001220111120211 |
4 | 1322002103233203031 |
5 | 4121330004414321 |
6 | 140110255442421 |
7 | 12316114045540 |
oct | 1720223574315 |
9 | 415201814524 |
10 | 131035232461 |
11 | 50631a77651 |
12 | 2148b526411 |
13 | c4834c9513 |
14 | 64b0b88857 |
15 | 361dba40e1 |
hex | 1e824ef8cd |
131035232461 has 8 divisors (see below), whose sum is σ = 149829332544. Its totient is φ = 112259827680.
The previous prime is 131035232459. The next prime is 131035232507. The reversal of 131035232461 is 164232530131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131035232461 - 21 = 131035232459 is a prime.
It is a super-2 number, since 2×1310352324612 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131035232431) 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, 4658800 + ... + 4686841.
It is an arithmetic number, because the mean of its divisors is an integer number (18728666568).
Almost surely, 2131035232461 is an apocalyptic number.
It is an amenable number.
131035232461 is a deficient number, since it is larger than the sum of its proper divisors (18794100083).
131035232461 is an equidigital number, since it uses as much as digits as its factorization.
131035232461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9347651.
The product of its (nonzero) digits is 12960, while the sum is 31.
Adding to 131035232461 its reverse (164232530131), we get a palindrome (295267762592).
The spelling of 131035232461 in words is "one hundred thirty-one billion, thirty-five million, two hundred thirty-two thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •