Base | Representation |
---|---|
bin | 11101111111011100011011… |
… | …110111101001000000000111 |
3 | 122022000211020101000010222221 |
4 | 131333130123313221000013 |
5 | 114242100232244320101 |
6 | 1144311255230433211 |
7 | 36532456314364435 |
oct | 3577343367510007 |
9 | 568024211003887 |
10 | 131903208198151 |
11 | 39034922355745 |
12 | 12963885662807 |
13 | 587a55ab89010 |
14 | 2480213b0bd55 |
15 | 103b189d08aa1 |
hex | 77f71bde9007 |
131903208198151 has 32 divisors (see below), whose sum is σ = 146326004798400. Its totient is φ = 118111398773760.
The previous prime is 131903208198149. The next prime is 131903208198211. The reversal of 131903208198151 is 151891802309131.
It is a cyclic number.
It is not a de Polignac number, because 131903208198151 - 21 = 131903208198149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131903208198101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327647955 + ... + 328050283.
It is an arithmetic number, because the mean of its divisors is an integer number (4572687649950).
Almost surely, 2131903208198151 is an apocalyptic number.
131903208198151 is a deficient number, since it is larger than the sum of its proper divisors (14422796600249).
131903208198151 is a wasteful number, since it uses less digits than its factorization.
131903208198151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404419.
The product of its (nonzero) digits is 466560, while the sum is 52.
The spelling of 131903208198151 in words is "one hundred thirty-one trillion, nine hundred three billion, two hundred eight million, one hundred ninety-eight thousand, one hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •