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30033213041 = 135397571787
BaseRepresentation
bin11011111110000111…
…100111011001110001
32212112001210022002202
4123332013213121301
5443002000304131
621444055552545
72112152045606
oct337607473161
985461708082
1030033213041
1111811a69527
1259a208b755
132aa82236a0
14164ca126ad
15bab9d9bcb
hex6fe1e7671

30033213041 has 32 divisors (see below), whose sum is σ = 33394128768. Its totient is φ = 26838190080.

The previous prime is 30033213029. The next prime is 30033213053. The reversal of 30033213041 is 14031233003.

It is an interprime number because it is at equal distance from previous prime (30033213029) and next prime (30033213053).

It is a de Polignac number, because none of the positive numbers 2k-30033213041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30033213011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38161250 + ... + 38162036.

It is an arithmetic number, because the mean of its divisors is an integer number (1043566524).

Almost surely, 230033213041 is an apocalyptic number.

It is an amenable number.

30033213041 is a deficient number, since it is larger than the sum of its proper divisors (3360915727).

30033213041 is a wasteful number, since it uses less digits than its factorization.

30033213041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30033213041 its reverse (14031233003), we get a palindrome (44064446044).

The spelling of 30033213041 in words is "thirty billion, thirty-three million, two hundred thirteen thousand, forty-one".

Divisors: 1 13 53 97 571 689 787 1261 5141 7423 10231 30263 41711 55387 66833 76339 393419 449377 542243 720031 992407 2935511 4045967 5841901 23816981 38161643 43589569 52597571 309620753 566664397 2310247157 30033213041