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102561466143 = 373468317197
BaseRepresentation
bin101111110000100100…
…0111100011100011111
3100210201200111022020010
41133201020330130133
53140021213404033
6115041024054303
710260366035553
oct1374110743437
9323650438203
10102561466143
113a550301574
1217a63764393
1398963b0296
144d6d311863
152a04057863
hex17e123c71f

102561466143 has 8 divisors (see below), whose sum is σ = 138621890608. Its totient is φ = 67437676224.

The previous prime is 102561466013. The next prime is 102561466177. The reversal of 102561466143 is 341664165201.

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

It is not a de Polignac number, because 102561466143 - 213 = 102561457951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102561466193) 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, 234158380 + ... + 234158817.

It is an arithmetic number, because the mean of its divisors is an integer number (17327736326).

Almost surely, 2102561466143 is an apocalyptic number.

102561466143 is a deficient number, since it is larger than the sum of its proper divisors (36060424465).

102561466143 is an equidigital number, since it uses as much as digits as its factorization.

102561466143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468317273.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 102561466143 in words is "one hundred two billion, five hundred sixty-one million, four hundred sixty-six thousand, one hundred forty-three".

Divisors: 1 3 73 219 468317197 1404951591 34187155381 102561466143