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30240500044451 = 162658918591359
BaseRepresentation
bin1101110000000111010100…
…10000110101001010100011
310222001222000102221212111212
412320003222100311022203
512430430021002410301
6144152143253500335
76240542532134444
oct670035220651243
9128058012855455
1030240500044451
1196a9a189a8074
12348498a3416ab
1313b48892b0068
147679102032cb
15376958aab4bb
hex1b80ea4352a3

30240500044451 has 4 divisors (see below), whose sum is σ = 30240520262400. Its totient is φ = 30240479826504.

The previous prime is 30240500044439. The next prime is 30240500044493. The reversal of 30240500044451 is 15444000504203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30240500044451 - 230 = 30239426302627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30240500044421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7669091 + ... + 10922268.

It is an arithmetic number, because the mean of its divisors is an integer number (7560130065600).

Almost surely, 230240500044451 is an apocalyptic number.

30240500044451 is a deficient number, since it is larger than the sum of its proper divisors (20217949).

30240500044451 is a wasteful number, since it uses less digits than its factorization.

30240500044451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20217948.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 30240500044451 its reverse (15444000504203), we get a palindrome (45684500548654).

The spelling of 30240500044451 in words is "thirty trillion, two hundred forty billion, five hundred million, forty-four thousand, four hundred fifty-one".

Divisors: 1 1626589 18591359 30240500044451