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30848292049 = 739199720903
BaseRepresentation
bin11100101110101100…
…111001010011010001
32221121212111121022011
4130232230321103101
51001134130321144
622101013542521
72141310104341
oct345654712321
987555447264
1030848292049
11120a0069443
125b8b044a41
132ba8055b63
1416c8d84d21
15c0833ea34
hex72eb394d1

30848292049 has 8 divisors (see below), whose sum is σ = 30906982080. Its totient is φ = 30789649296.

The previous prime is 30848292031. The next prime is 30848292053. The reversal of 30848292049 is 94029284803.

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 30848292049 - 25 = 30848292017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30848291993 and 30848292011.

It is not an unprimeable number, because it can be changed into a prime (30848292649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465332 + ... + 1486234.

It is an arithmetic number, because the mean of its divisors is an integer number (3863372760).

Almost surely, 230848292049 is an apocalyptic number.

It is an amenable number.

30848292049 is a deficient number, since it is larger than the sum of its proper divisors (58690031).

30848292049 is a wasteful number, since it uses less digits than its factorization.

30848292049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 30848292049 in words is "thirty billion, eight hundred forty-eight million, two hundred ninety-two thousand, forty-nine".

Divisors: 1 739 1997 20903 1475783 15447317 41743291 30848292049