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101142221243 = 725756221357
BaseRepresentation
bin101111000110010001…
…0111101000110111011
3100200001202221012020012
41132030202331012323
53124114402034433
6114244124452135
710210253460410
oct1361442750673
9320052835205
10101142221243
11399921688a8
12177283aa04b
1396cb353cbb
144c76a30107
15296e660848
hex178c8bd1bb

101142221243 has 8 divisors (see below), whose sum is σ = 116040882912. Its totient is φ = 86356002816.

The previous prime is 101142221237. The next prime is 101142221249. The reversal of 101142221243 is 342122241101.

It is an interprime number because it is at equal distance from previous prime (101142221237) and next prime (101142221249).

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 101142221243 - 210 = 101142220219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101142221249) 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, 28108880 + ... + 28112477.

It is an arithmetic number, because the mean of its divisors is an integer number (14505110364).

Almost surely, 2101142221243 is an apocalyptic number.

101142221243 is a deficient number, since it is larger than the sum of its proper divisors (14898661669).

101142221243 is an equidigital number, since it uses as much as digits as its factorization.

101142221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56221621.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 101142221243 its reverse (342122241101), we get a palindrome (443264462344).

The spelling of 101142221243 in words is "one hundred one billion, one hundred forty-two million, two hundred twenty-one thousand, two hundred forty-three".

Divisors: 1 7 257 1799 56221357 393549499 14448888749 101142221243