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30617133401 = 71431227231
BaseRepresentation
bin11100100000111011…
…000110000101011001
32221000202112112020202
4130200323012011121
51000200441232101
622022035231545
72132502224411
oct344073060531
987022475222
1030617133401
1111a91634538
125b257485b5
132b6c1ac3aa
1416a63b1641
15be2dcd36b
hex720ec6159

30617133401 has 4 divisors (see below), whose sum is σ = 31048360704. Its totient is φ = 30185906100.

The previous prime is 30617133329. The next prime is 30617133413. The reversal of 30617133401 is 10433171603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10433171603 = 59176833417.

It is a cyclic number.

It is not a de Polignac number, because 30617133401 - 226 = 30550024537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30617133431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215613545 + ... + 215613686.

It is an arithmetic number, because the mean of its divisors is an integer number (7762090176).

Almost surely, 230617133401 is an apocalyptic number.

It is an amenable number.

30617133401 is a deficient number, since it is larger than the sum of its proper divisors (431227303).

30617133401 is an equidigital number, since it uses as much as digits as its factorization.

30617133401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431227302.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 30617133401 in words is "thirty billion, six hundred seventeen million, one hundred thirty-three thousand, four hundred one".

Divisors: 1 71 431227231 30617133401