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101831450425 = 5229140457173
BaseRepresentation
bin101111011010110100…
…0001001111100111001
3100201211210211122220221
41132311220021330321
53132022322403200
6114440345220041
710233323022055
oct1366550117471
9321753748827
10101831450425
113a2062209a1
121789b191621
1397ab091a13
144d003a2c65
1529aee0691a
hex17b5a09f39

101831450425 has 12 divisors (see below), whose sum is σ = 130625171820. Its totient is φ = 78656016320.

The previous prime is 101831450419. The next prime is 101831450429. The reversal of 101831450425 is 524054138101.

It can be written as a sum of positive squares in 6 ways, for example, as 1745902656 + 100085547769 = 41784^2 + 316363^2 .

It is not a de Polignac number, because 101831450425 - 25 = 101831450393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101831450429) 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, 70227862 + ... + 70229311.

It is an arithmetic number, because the mean of its divisors is an integer number (10885430985).

Almost surely, 2101831450425 is an apocalyptic number.

It is an amenable number.

101831450425 is a deficient number, since it is larger than the sum of its proper divisors (28793721395).

101831450425 is a wasteful number, since it uses less digits than its factorization.

101831450425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140457212 (or 140457207 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 101831450425 its reverse (524054138101), we get a palindrome (625885588526).

The spelling of 101831450425 in words is "one hundred one billion, eight hundred thirty-one million, four hundred fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 29 145 725 140457173 702285865 3511429325 4073258017 20366290085 101831450425