Base | Representation |
---|---|
bin | 111101000110010111… |
… | …1101010010000111100 |
3 | 110112200021101000122202 |
4 | 1322030233222100330 |
5 | 4122204320314004 |
6 | 140135512331032 |
7 | 12323341225565 |
oct | 1721457522074 |
9 | 415607330582 |
10 | 131210323004 |
11 | 50711896782 |
12 | 2151a0a3a78 |
13 | c4b08718a7 |
14 | 64ca12516c |
15 | 362e23cb1e |
hex | 1e8cbea43c |
131210323004 has 12 divisors (see below), whose sum is σ = 230279791224. Its totient is φ = 65416096944.
The previous prime is 131210322959. The next prime is 131210323031. The reversal of 131210323004 is 400323012131.
It is a super-2 number, since 2×1312103230042 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47264579 + ... + 47267354.
It is an arithmetic number, because the mean of its divisors is an integer number (19189982602).
Almost surely, 2131210323004 is an apocalyptic number.
It is an amenable number.
131210323004 is a deficient number, since it is larger than the sum of its proper divisors (99069468220).
131210323004 is a wasteful number, since it uses less digits than its factorization.
131210323004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94532284 (or 94532282 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 131210323004 its reverse (400323012131), we get a palindrome (531533335135).
The spelling of 131210323004 in words is "one hundred thirty-one billion, two hundred ten million, three hundred twenty-three thousand, four".
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