Search a number
-
+
30034043242221 = 3174731907392699
BaseRepresentation
bin1101101010000110110000…
…11110101000011011101101
310221100020010010001122111010
412311003120132220123231
512414034210032222341
6143513240552015433
76216613406232234
oct665033036503355
9127306103048433
1030034043242221
11962a403473887
123450970391579
13139b276386265
1475b9267a3b1b
153713c386a716
hex1b50d87a86ed

30034043242221 has 32 divisors (see below), whose sum is σ = 43304618649600. Its totient is φ = 18443309755136.

The previous prime is 30034043242213. The next prime is 30034043242249. The reversal of 30034043242221 is 12224234043003.

It is a cyclic number.

It is not a de Polignac number, because 30034043242221 - 23 = 30034043242213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034043242261) 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, 76284730 + ... + 76677428.

It is an arithmetic number, because the mean of its divisors is an integer number (1353269332800).

Almost surely, 230034043242221 is an apocalyptic number.

It is an amenable number.

30034043242221 is a deficient number, since it is larger than the sum of its proper divisors (13270575407379).

30034043242221 is a wasteful number, since it uses less digits than its factorization.

30034043242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424673.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 30034043242221 its reverse (12224234043003), we get a palindrome (42258277285224).

The spelling of 30034043242221 in words is "thirty trillion, thirty-four billion, forty-three million, two hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 3 17 47 51 141 799 2397 31907 95721 392699 542419 1178097 1499629 1627257 4498887 6675883 18456853 20027649 25493693 55370559 76481079 313766501 941299503 12529846993 37589540979 213007398881 588902808671 639022196643 1766708426013 10011347747407 30034043242221