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48619686931 is a prime number
BaseRepresentation
bin101101010001111101…
…011000110000010011
311122111101112000001121
4231101331120300103
51244033114440211
634200252343111
73340561343254
oct552175306023
9148441460047
1048619686931
111968a600452
12950a774a97
13477aac502a
1424d32a4b2b
1513e85dd271
hexb51f58c13

48619686931 has 2 divisors, whose sum is σ = 48619686932. Its totient is φ = 48619686930.

The previous prime is 48619686893. The next prime is 48619687009. The reversal of 48619686931 is 13968691684.

48619686931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48619686931 - 27 = 48619686803 is a prime.

It is a super-2 number, since 2×486196869312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48619686931.

It is not a weakly prime, because it can be changed into another prime (48619680931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24309843465 + 24309843466.

It is an arithmetic number, because the mean of its divisors is an integer number (24309843466).

Almost surely, 248619686931 is an apocalyptic number.

48619686931 is a deficient number, since it is larger than the sum of its proper divisors (1).

48619686931 is an equidigital number, since it uses as much as digits as its factorization.

48619686931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 61.

The spelling of 48619686931 in words is "forty-eight billion, six hundred nineteen million, six hundred eighty-six thousand, nine hundred thirty-one".