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103251243553 is a prime number
BaseRepresentation
bin110000000101001000…
…0001111001000100001
3100212111202102121221121
41200022100033020201
53142424304243203
6115233304252241
710313443042453
oct1401220171041
9325452377847
10103251243553
113a8746a9547
1218016771081
1399762806b3
144dd6b882d3
152a448ab0bd
hex180a40f221

103251243553 has 2 divisors, whose sum is σ = 103251243554. Its totient is φ = 103251243552.

The previous prime is 103251243541. The next prime is 103251243577. The reversal of 103251243553 is 355342152301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65688152209 + 37563091344 = 256297^2 + 193812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103251243553 is a prime.

It is not a weakly prime, because it can be changed into another prime (103251243253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51625621776 + 51625621777.

It is an arithmetic number, because the mean of its divisors is an integer number (51625621777).

Almost surely, 2103251243553 is an apocalyptic number.

It is an amenable number.

103251243553 is a deficient number, since it is larger than the sum of its proper divisors (1).

103251243553 is an equidigital number, since it uses as much as digits as its factorization.

103251243553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 103251243553 its reverse (355342152301), we get a palindrome (458593395854).

The spelling of 103251243553 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, five hundred fifty-three".