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30034505141 = 31794746073
BaseRepresentation
bin11011111110001100…
…100010110110110101
32212112011012221112022
4123332030202312311
5443002313131031
621444143402525
72112166036634
oct337614426665
985464187468
1030034505141
1111812771283
1259a25b3445
132aa8586844
14164cc6b51b
15babb9297b
hex6fe322db5

30034505141 has 4 divisors (see below), whose sum is σ = 30129251532. Its totient is φ = 29939758752.

The previous prime is 30034505117. The next prime is 30034505161. The reversal of 30034505141 is 14150543003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14150543003 = 97391452977.

It can be written as a sum of positive squares in 2 ways, for example, as 1287302641 + 28747202500 = 35879^2 + 169550^2 .

It is a cyclic number.

It is not a de Polignac number, because 30034505141 - 26 = 30034505077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30034505141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034505101) 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, 47372720 + ... + 47373353.

It is an arithmetic number, because the mean of its divisors is an integer number (7532312883).

Almost surely, 230034505141 is an apocalyptic number.

It is an amenable number.

30034505141 is a deficient number, since it is larger than the sum of its proper divisors (94746391).

30034505141 is an equidigital number, since it uses as much as digits as its factorization.

30034505141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94746390.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 30034505141 in words is "thirty billion, thirty-four million, five hundred five thousand, one hundred forty-one".

Divisors: 1 317 94746073 30034505141