Search a number
-
+
15480333554893 is a prime number
BaseRepresentation
bin1110000101000100101111…
…0010000101010011001101
32000210220110001200011112021
43201101023302011103031
54012112210342224033
652531322252410141
73155263045064344
oct341211362052315
960726401604467
1015480333554893
114a291997a1759
1218a0238476951
13883a34b0b78c
143b7375c3cb5b
151bca2b967b2d
hexe144bc854cd

15480333554893 has 2 divisors, whose sum is σ = 15480333554894. Its totient is φ = 15480333554892.

The previous prime is 15480333554867. The next prime is 15480333554923. The reversal of 15480333554893 is 39845533308451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15378146564004 + 102186990889 = 3921498^2 + 319667^2 .

It is a cyclic number.

It is not a de Polignac number, because 15480333554893 - 237 = 15342894601421 is a prime.

It is a super-2 number, since 2×154803335548932 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15480333554293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7740166777446 + 7740166777447.

It is an arithmetic number, because the mean of its divisors is an integer number (7740166777447).

Almost surely, 215480333554893 is an apocalyptic number.

It is an amenable number.

15480333554893 is a deficient number, since it is larger than the sum of its proper divisors (1).

15480333554893 is an equidigital number, since it uses as much as digits as its factorization.

15480333554893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312000, while the sum is 61.

The spelling of 15480333554893 in words is "fifteen trillion, four hundred eighty billion, three hundred thirty-three million, five hundred fifty-four thousand, eight hundred ninety-three".