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30739906041 = 3131601492319
BaseRepresentation
bin11100101000001111…
…011011110111111001
32221100022120000122120
4130220033123313321
51000423403443131
622042142511453
72135522614215
oct345017336771
987308500576
1030739906041
111204496a429
125b5a895589
132b8b767320
1416b880d945
15beda80496
hex7283dbdf9

30739906041 has 16 divisors (see below), whose sum is σ = 44167011840. Its totient is φ = 18905011200.

The previous prime is 30739906007. The next prime is 30739906051. The reversal of 30739906041 is 14060993703.

It is not a de Polignac number, because 30739906041 - 210 = 30739905017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30739905984 and 30739906002.

It is not an unprimeable number, because it can be changed into a prime (30739906051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183721 + ... + 308598.

It is an arithmetic number, because the mean of its divisors is an integer number (2760438240).

Almost surely, 230739906041 is an apocalyptic number.

It is an amenable number.

30739906041 is a deficient number, since it is larger than the sum of its proper divisors (13427105799).

30739906041 is a wasteful number, since it uses less digits than its factorization.

30739906041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493936.

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 30739906041 in words is "thirty billion, seven hundred thirty-nine million, nine hundred six thousand, forty-one".

Divisors: 1 3 13 39 1601 4803 20813 62439 492319 1476957 6400147 19200441 788202719 2364608157 10246635347 30739906041