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100313143 = 722389009
BaseRepresentation
bin1011111101010…
…10100000110111
320222202102202121
411332222200313
5201140010033
613542020411
72325435100
oct576524067
9228672677
10100313143
1151695827
1229717707
1317a231b8
14d4733a7
158c1762d
hex5faa837

100313143 has 12 divisors (see below), whose sum is σ = 121765680. Its totient is φ = 82243392.

The previous prime is 100313113. The next prime is 100313149. The reversal of 100313143 is 341313001.

It is not a de Polignac number, because 100313143 - 221 = 98215991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43378 + ... + 45631.

It is an arithmetic number, because the mean of its divisors is an integer number (10147140).

Almost surely, 2100313143 is an apocalyptic number.

100313143 is a deficient number, since it is larger than the sum of its proper divisors (21452537).

100313143 is an equidigital number, since it uses as much as digits as its factorization.

100313143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89046 (or 89039 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 100313143 is about 10015.6449118367. The cubic root of 100313143 is about 464.6428722039.

Adding to 100313143 its reverse (341313001), we get a palindrome (441626144).

The spelling of 100313143 in words is "one hundred million, three hundred thirteen thousand, one hundred forty-three".

Divisors: 1 7 23 49 161 1127 89009 623063 2047207 4361441 14330449 100313143