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30050026641 = 32127199132113
BaseRepresentation
bin11011111111000111…
…110000010010010001
32212120020102112000200
4123333013300102101
5443020301323031
621445500205413
72112445004055
oct337707602221
985506375020
1030050026641
1111820502868
1259a7839869
132aab85c66b
141650d4bc65
15bad20b8e6
hex6ff1f0491

30050026641 has 24 divisors (see below), whose sum is σ = 43967539200. Its totient is φ = 19775581056.

The previous prime is 30050026637. The next prime is 30050026663. The reversal of 30050026641 is 14662005003.

It is not a de Polignac number, because 30050026641 - 22 = 30050026637 is a prime.

It is a super-2 number, since 2×300500266412 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30050026841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161401 + ... + 293513.

It is an arithmetic number, because the mean of its divisors is an integer number (1831980800).

Almost surely, 230050026641 is an apocalyptic number.

It is an amenable number.

30050026641 is a deficient number, since it is larger than the sum of its proper divisors (13917512559).

30050026641 is a wasteful number, since it uses less digits than its factorization.

30050026641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132445 (or 132442 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 30050026641 in words is "thirty billion, fifty million, twenty-six thousand, six hundred forty-one".

Divisors: 1 3 9 127 199 381 597 1143 1791 25273 75819 132113 227457 396339 1189017 16778351 26290487 50335053 78871461 151005159 236614383 3338891849 10016675547 30050026641