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30600761141 = 171800044773
BaseRepresentation
bin11100011111111100…
…101000111100110101
32220222121201201201202
4130133330220330311
51000132243324031
622020252302245
72132213115026
oct343774507465
986877651652
1030600761141
1111a83371845
125b20171985
132b68999272
1416a414cc4d
15be17472cb
hex71ff28f35

30600761141 has 4 divisors (see below), whose sum is σ = 32400805932. Its totient is φ = 28800716352.

The previous prime is 30600761099. The next prime is 30600761221. The reversal of 30600761141 is 14116700603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14116700603 = 16378623519.

It can be written as a sum of positive squares in 2 ways, for example, as 10243464100 + 20357297041 = 101210^2 + 142679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30600761141 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 (30600761641) 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, 900022370 + ... + 900022403.

It is an arithmetic number, because the mean of its divisors is an integer number (8100201483).

Almost surely, 230600761141 is an apocalyptic number.

It is an amenable number.

30600761141 is a deficient number, since it is larger than the sum of its proper divisors (1800044791).

30600761141 is a wasteful number, since it uses less digits than its factorization.

30600761141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800044790.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 30600761141 in words is "thirty billion, six hundred million, seven hundred sixty-one thousand, one hundred forty-one".

Divisors: 1 17 1800044773 30600761141