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30080323903 = 78351773363
BaseRepresentation
bin11100000000111011…
…010101000100111111
32212122100102210001111
4130000323111010333
5443101030331103
621452501422451
72113263351220
oct340073250477
985570383044
1030080323903
1111836616623
1259b5a0aa27
132ab4c09a36
141654d97247
15bb0be386d
hex700ed513f

30080323903 has 8 divisors (see below), whose sum is σ = 34791700608. Its totient is φ = 25472494104.

The previous prime is 30080323901. The next prime is 30080323907. The reversal of 30080323903 is 30932308003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30080323903 - 21 = 30080323901 is a prime.

It is a super-2 number, since 2×300803239032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30080323901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25886101 + ... + 25887262.

It is an arithmetic number, because the mean of its divisors is an integer number (4348962576).

Almost surely, 230080323903 is an apocalyptic number.

30080323903 is a deficient number, since it is larger than the sum of its proper divisors (4711376705).

30080323903 is an equidigital number, since it uses as much as digits as its factorization.

30080323903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51773453.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 30080323903 in words is "thirty billion, eighty million, three hundred twenty-three thousand, nine hundred three".

Divisors: 1 7 83 581 51773363 362413541 4297189129 30080323903