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30112078553 is a prime number
BaseRepresentation
bin11100000010110100…
…011101101011011001
32212201120012002020122
4130002310131223121
5443132143003203
621455554203025
72114130305324
oct340264355331
985646162218
1030112078553
1111852535337
125a04583475
132abb67757b
1416592a17bb
15bb38b7538
hex702d1dad9

30112078553 has 2 divisors, whose sum is σ = 30112078554. Its totient is φ = 30112078552.

The previous prime is 30112078543. The next prime is 30112078559. The reversal of 30112078553 is 35587021103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23645827984 + 6466250569 = 153772^2 + 80413^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112078553 - 24 = 30112078537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30112078559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056039276 + 15056039277.

It is an arithmetic number, because the mean of its divisors is an integer number (15056039277).

Almost surely, 230112078553 is an apocalyptic number.

It is an amenable number.

30112078553 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112078553 is an equidigital number, since it uses as much as digits as its factorization.

30112078553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 30112078553 its reverse (35587021103), we get a palindrome (65699099656).

The spelling of 30112078553 in words is "thirty billion, one hundred twelve million, seventy-eight thousand, five hundred fifty-three".