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10171443031 = 71229362477
BaseRepresentation
bin10010111100100001…
…11110011101010111
3222020212100211202021
421132100332131113
5131312342134111
64401145154011
7510025560601
oct113620763527
928225324667
1010171443031
11434a572772
121b7a48b907
13c61386559
146c6c30171
153e7e75d71
hex25e43e757

10171443031 has 8 divisors (see below), whose sum is σ = 10319366304. Its totient is φ = 10023649440.

The previous prime is 10171443017. The next prime is 10171443089. The reversal of 10171443031 is 13034417101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10171443031 - 225 = 10137888599 is a prime.

It is a super-2 number, since 2×101714430312 (a number of 21 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 = 10171442987 and 10171443005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10171446031) 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, 131565 + ... + 194041.

It is an arithmetic number, because the mean of its divisors is an integer number (1289920788).

Almost surely, 210171443031 is an apocalyptic number.

10171443031 is a deficient number, since it is larger than the sum of its proper divisors (147923273).

10171443031 is an equidigital number, since it uses as much as digits as its factorization.

10171443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64841.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 10171443031 in words is "ten billion, one hundred seventy-one million, four hundred forty-three thousand, thirty-one".

Divisors: 1 71 2293 62477 162803 4435867 143259761 10171443031