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30767136061 = 174194319407
BaseRepresentation
bin11100101001110111…
…010011110100111101
32221102012210110012211
4130221313103310331
51001002341323221
622044554300421
72136303225064
oct345167236475
987365713184
1030767136061
1112059278782
125b67a27711
132b942ac56c
1416bc29b1db
15c0115d6e1
hex729dd3d3d

30767136061 has 8 divisors (see below), whose sum is σ = 32654724480. Its totient is φ = 28888187328.

The previous prime is 30767136017. The next prime is 30767136079. The reversal of 30767136061 is 16063176703.

It is a happy number.

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 30767136061 - 213 = 30767127869 is a prime.

It is a super-2 number, since 2×307671360612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30767136461) 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, 2152581 + ... + 2166826.

It is an arithmetic number, because the mean of its divisors is an integer number (4081840560).

Almost surely, 230767136061 is an apocalyptic number.

It is an amenable number.

30767136061 is a deficient number, since it is larger than the sum of its proper divisors (1887588419).

30767136061 is a wasteful number, since it uses less digits than its factorization.

30767136061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319843.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 30767136061 in words is "thirty billion, seven hundred sixty-seven million, one hundred thirty-six thousand, sixty-one".

Divisors: 1 17 419 7123 4319407 73429919 1809831533 30767136061