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102142300231 = 1913731433717
BaseRepresentation
bin101111100100000100…
…1111101000001000111
3100202122110202110200201
41133020021331001013
53133141412101411
6114531251551331
710244116140526
oct1371011750107
9322573673621
10102142300231
113a355735a64
12179672bb547
13982a5bb10a
144d2d79c4bd
1529cc35a3c1
hex17c827d047

102142300231 has 8 divisors (see below), whose sum is σ = 102952422144. Its totient is φ = 101335046880.

The previous prime is 102142300201. The next prime is 102142300261. The reversal of 102142300231 is 132003241201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102142300201) and next prime (102142300261).

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 102142300231 - 213 = 102142292039 is a prime.

It is a super-2 number, since 2×1021423002312 (a number of 23 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 = 102142300199 and 102142300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102142300201) 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, 645616 + ... + 788101.

It is an arithmetic number, because the mean of its divisors is an integer number (12869052768).

Almost surely, 2102142300231 is an apocalyptic number.

102142300231 is a deficient number, since it is larger than the sum of its proper divisors (810121913).

102142300231 is a wasteful number, since it uses less digits than its factorization.

102142300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434281.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102142300231 its reverse (132003241201), we get a palindrome (234145541432).

The spelling of 102142300231 in words is "one hundred two billion, one hundred forty-two million, three hundred thousand, two hundred thirty-one".

Divisors: 1 191 373 71243 1433717 273839947 534776441 102142300231