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30056041007 = 63521473167
BaseRepresentation
bin11011111111011110…
…101100101000101111
32212120122202002011222
4123333132230220233
5443023321303012
621450233133555
72112550063466
oct337736545057
985518662158
1030056041007
1111823940513
1259a985a2bb
132aacb87065
141651a759dd
15bad9e8972
hex6ff7aca2f

30056041007 has 4 divisors (see below), whose sum is σ = 30056577696. Its totient is φ = 30055504320.

The previous prime is 30056040977. The next prime is 30056041027. The reversal of 30056041007 is 70014065003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70014065003 = 112362345561.

It is a cyclic number.

It is not a de Polignac number, because 30056041007 - 222 = 30051846703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30056041027) 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, 173063 + ... + 300104.

It is an arithmetic number, because the mean of its divisors is an integer number (7514144424).

Almost surely, 230056041007 is an apocalyptic number.

30056041007 is a deficient number, since it is larger than the sum of its proper divisors (536689).

30056041007 is an equidigital number, since it uses as much as digits as its factorization.

30056041007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536688.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 30056041007 in words is "thirty billion, fifty-six million, forty-one thousand, seven".

Divisors: 1 63521 473167 30056041007