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103021344142 = 251510672071
BaseRepresentation
bin101111111110010001…
…1001111010110001110
3100211220201211112020121
41133330203033112032
53141441431003032
6115154412535154
710304651656003
oct1377443172616
9324821745217
10103021344142
113a766954732
1217b717814ba
13993a758142
144db44218aa
152a2e5e7a97
hex17fc8cf58e

103021344142 has 4 divisors (see below), whose sum is σ = 154532016216. Its totient is φ = 51510672070.

The previous prime is 103021344121. The next prime is 103021344149. The reversal of 103021344142 is 241443120301.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1030213441423 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021344149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25755336034 + ... + 25755336037.

It is an arithmetic number, because the mean of its divisors is an integer number (38633004054).

Almost surely, 2103021344142 is an apocalyptic number.

103021344142 is a deficient number, since it is larger than the sum of its proper divisors (51510672074).

103021344142 is an equidigital number, since it uses as much as digits as its factorization.

103021344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51510672073.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 103021344142 its reverse (241443120301), we get a palindrome (344464464443).

The spelling of 103021344142 in words is "one hundred three billion, twenty-one million, three hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 51510672071 103021344142