Search a number
-
+
30021793383279 = 339320325450631
BaseRepresentation
bin1101101001101111111100…
…10101001000001101101111
310221022001111101210100002210
412310313332111020031233
512413334113101231104
6143503453235021503
76216001012161615
oct664677625101557
9127261441710083
1030021793383279
119625197775515
12344a511a3a893
13139a07352b309
1475b0c39056b5
15370e081e2989
hex1b4dfe54836f

30021793383279 has 8 divisors (see below), whose sum is σ = 40029161219712. Its totient is φ = 20014477234520.

The previous prime is 30021793383277. The next prime is 30021793383301. The reversal of 30021793383279 is 97238339712003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30021793383279 - 21 = 30021793383277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021793383277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11545707 + ... + 13904924.

It is an arithmetic number, because the mean of its divisors is an integer number (5003645152464).

Almost surely, 230021793383279 is an apocalyptic number.

30021793383279 is a deficient number, since it is larger than the sum of its proper divisors (10007367836433).

30021793383279 is a wasteful number, since it uses less digits than its factorization.

30021793383279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843837.

The product of its (nonzero) digits is 10287648, while the sum is 57.

The spelling of 30021793383279 in words is "thirty trillion, twenty-one billion, seven hundred ninety-three million, three hundred eighty-three thousand, two hundred seventy-nine".

Divisors: 1 3 393203 1179609 25450631 76351893 10007264461093 30021793383279