Base | Representation |
---|---|
bin | 111100101000110110… |
… | …1111010111000010111 |
3 | 110110010020220222000112 |
4 | 1321101231322320113 |
5 | 4113142310323111 |
6 | 135453334433235 |
7 | 12256654554635 |
oct | 1712155727027 |
9 | 413106828015 |
10 | 130220011031 |
11 | 5025388a730 |
12 | 212a250281b |
13 | c383647286 |
14 | 64347ba355 |
15 | 35c2321e8b |
hex | 1e51b7ae17 |
130220011031 has 4 divisors (see below), whose sum is σ = 142058193864. Its totient is φ = 118381828200.
The previous prime is 130220010997. The next prime is 130220011039. The reversal of 130220011031 is 130110022031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130220011031 - 218 = 130219748887 is a prime.
It is a super-2 number, since 2×1302200110312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130220010997 and 130220011015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130220011039) 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, 5919091400 + ... + 5919091421.
It is an arithmetic number, because the mean of its divisors is an integer number (35514548466).
Almost surely, 2130220011031 is an apocalyptic number.
130220011031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130220011031 is a deficient number, since it is larger than the sum of its proper divisors (11838182833).
130220011031 is a wasteful number, since it uses less digits than its factorization.
130220011031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11838182832.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 130220011031 its reverse (130110022031), we get a palindrome (260330033062).
The spelling of 130220011031 in words is "one hundred thirty billion, two hundred twenty million, eleven thousand, thirty-one".
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