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30136443061 = 1091013272933
BaseRepresentation
bin11100000100010001…
…011010000010110101
32212210021000221001211
4130010101122002311
5443204412134221
621502224321421
72114544353014
oct340421320265
985707027054
1030136443061
111186526679a
125a10773271
132ac372843a
14165c604a7b
15bb5acb6e1
hex70445a0b5

30136443061 has 8 divisors (see below), whose sum is σ = 30443058360. Its totient is φ = 29830375872.

The previous prime is 30136443053. The next prime is 30136443067. The reversal of 30136443061 is 16034463103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35928036 + 30100515025 = 5994^2 + 173495^2 .

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 30136443061 - 23 = 30136443053 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 (30136443067) 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, 26050 + ... + 246883.

It is an arithmetic number, because the mean of its divisors is an integer number (3805382295).

Almost surely, 230136443061 is an apocalyptic number.

It is an amenable number.

30136443061 is a deficient number, since it is larger than the sum of its proper divisors (306615299).

30136443061 is a wasteful number, since it uses less digits than its factorization.

30136443061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274055.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 30136443061 in words is "thirty billion, one hundred thirty-six million, four hundred forty-three thousand, sixty-one".

Divisors: 1 109 1013 110417 272933 29749697 276481129 30136443061