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30837456049 is a prime number
BaseRepresentation
bin11100101110000011…
…100011110010110001
32221121010010002002211
4130232003203302301
51001123342043144
622055545412121
72141116023451
oct345603436261
987533102084
1030837456049
1112094a38174
125b8749a041
132ba5a3091a
1416c7763d61
15c073ee034
hex72e0e3cb1

30837456049 has 2 divisors, whose sum is σ = 30837456050. Its totient is φ = 30837456048.

The previous prime is 30837455989. The next prime is 30837456059. The reversal of 30837456049 is 94065473803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23911055424 + 6926400625 = 154632^2 + 83225^2 .

It is a cyclic number.

It is not a de Polignac number, because 30837456049 - 223 = 30829067441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30837455993 and 30837456011.

It is not a weakly prime, because it can be changed into another prime (30837456059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15418728024 + 15418728025.

It is an arithmetic number, because the mean of its divisors is an integer number (15418728025).

Almost surely, 230837456049 is an apocalyptic number.

It is an amenable number.

30837456049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30837456049 is an equidigital number, since it uses as much as digits as its factorization.

30837456049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 30837456049 in words is "thirty billion, eight hundred thirty-seven million, four hundred fifty-six thousand, forty-nine".