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131143134323470 = 25971106131272589
BaseRepresentation
bin11101110100011000100011…
…111011111010001100001110
3122012100011100111220201111111
4131310120203323322030032
5114142122114341322340
61142530154005442234
736423531060141223
oct3564304373721416
9565304314821444
10131143134323470
1138871544481935
121286050241037a
13582398a897889
14245550c20394a
151026501ca9aea
hex774623efa30e

131143134323470 has 32 divisors (see below), whose sum is σ = 236323200468960. Its totient is φ = 52398250961280.

The previous prime is 131143134323449. The next prime is 131143134323471. The reversal of 131143134323470 is 74323431341131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143134323471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102415936 + ... + 103688524.

It is an arithmetic number, because the mean of its divisors is an integer number (7385100014655).

Almost surely, 2131143134323470 is an apocalyptic number.

131143134323470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131143134323470 is a deficient number, since it is larger than the sum of its proper divisors (105180066145490).

131143134323470 is a wasteful number, since it uses less digits than its factorization.

131143134323470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284180.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 131143134323470 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred seventy".

Divisors: 1 2 5 10 971 1942 4855 9710 10613 21226 53065 106130 1272589 2545178 6362945 10305223 12725890 20610446 51526115 103052230 1235683919 2471367838 6178419595 12356839190 13505987057 27011974114 67529935285 135059870570 13114313432347 26228626864694 65571567161735 131143134323470