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13950448357 is a prime number
BaseRepresentation
bin11001111111000001…
…01111001011100101
31100000020020012111111
430333200233023211
5212032303321412
610224142305021
71002463566046
oct147740571345
940006205444
1013950448357
115a0973436a
122853b88171
13141427c891
14964a988cd
15569ae62a7
hex33f82f2e5

13950448357 has 2 divisors, whose sum is σ = 13950448358. Its totient is φ = 13950448356.

The previous prime is 13950448297. The next prime is 13950448361. The reversal of 13950448357 is 75384405931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7876740001 + 6073708356 = 88751^2 + 77934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13950448357 is a prime.

It is a super-2 number, since 2×139504483572 (a number of 21 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 13950448357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13950448657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6975224178 + 6975224179.

It is an arithmetic number, because the mean of its divisors is an integer number (6975224179).

Almost surely, 213950448357 is an apocalyptic number.

It is an amenable number.

13950448357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13950448357 is an equidigital number, since it uses as much as digits as its factorization.

13950448357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 13950448357 in words is "thirteen billion, nine hundred fifty million, four hundred forty-eight thousand, three hundred fifty-seven".