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103642113251 = 232195920819
BaseRepresentation
bin110000010000110001…
…1010010010011100011
3100220111222220212101002
41200201203102103203
53144224340111001
6115340150102215
710326230266325
oct1404143222343
9326458825332
10103642113251
113aa552a8756
121810564a96b
139a09246241
145032a53615
152a68d6946b
hex18218d24e3

103642113251 has 6 divisors (see below), whose sum is σ = 108344213460. Its totient is φ = 99135933908.

The previous prime is 103642113199. The next prime is 103642113269. The reversal of 103642113251 is 152311246301.

It is not a de Polignac number, because 103642113251 - 226 = 103575004387 is a prime.

It is a super-3 number, since 3×1036421132513 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103642112251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97959881 + ... + 97960938.

It is an arithmetic number, because the mean of its divisors is an integer number (18057368910).

Almost surely, 2103642113251 is an apocalyptic number.

103642113251 is a deficient number, since it is larger than the sum of its proper divisors (4702100209).

103642113251 is an equidigital number, since it uses as much as digits as its factorization.

103642113251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195920865 (or 195920842 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 103642113251 its reverse (152311246301), we get a palindrome (255953359552).

The spelling of 103642113251 in words is "one hundred three billion, six hundred forty-two million, one hundred thirteen thousand, two hundred fifty-one".

Divisors: 1 23 529 195920819 4506178837 103642113251