Search a number
-
+
53939379202493 = 230610723389799
BaseRepresentation
bin11000100001110101111011…
…00010010110100110111101
321001222112222002010101020112
430100322331202112212331
524032220322033434433
6310415224141155405
714234664046230251
oct1420727542264675
9231875862111215
1053939379202493
11162066203aa304
126071990b5bb65
132413600293515
14d46973856261
15638148b3c348
hex310ebd8969bd

53939379202493 has 4 divisors (see below), whose sum is σ = 53939404898400. Its totient is φ = 53939353506588.

The previous prime is 53939379202451. The next prime is 53939379202519. The reversal of 53939379202493 is 39420297393935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53939379202493 - 28 = 53939379202237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53939379202193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9388793 + ... + 14001006.

It is an arithmetic number, because the mean of its divisors is an integer number (13484851224600).

Almost surely, 253939379202493 is an apocalyptic number.

It is an amenable number.

53939379202493 is a deficient number, since it is larger than the sum of its proper divisors (25695907).

53939379202493 is a wasteful number, since it uses less digits than its factorization.

53939379202493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25695906.

The product of its (nonzero) digits is 297606960, while the sum is 68.

The spelling of 53939379202493 in words is "fifty-three trillion, nine hundred thirty-nine billion, three hundred seventy-nine million, two hundred two thousand, four hundred ninety-three".

Divisors: 1 2306107 23389799 53939379202493