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30345231323320 = 235779353973411
BaseRepresentation
bin1101110011001010011001…
…01110111101000010111000
310222102222100100100002020021
412321211030232331002320
512434134013204321240
6144312223512340224
76251241056254054
oct671451456750270
9128388310302207
1030345231323320
11973a381a8aaa1
1234a11386a4674
1313c170a0826a4
1476ca07774c64
1537953836b54a
hex1b994cbbd0b8

30345231323320 has 32 divisors (see below), whose sum is σ = 68276928226320. Its totient is φ = 12138064485120.

The previous prime is 30345231323317. The next prime is 30345231323321. The reversal of 30345231323320 is 2332313254303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30345231323321) 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, 30687415 + ... + 31660825.

Almost surely, 230345231323320 is an apocalyptic number.

It is an amenable number.

30345231323320 is an abundant number, since it is smaller than the sum of its proper divisors (37931696903000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30345231323320 is a wasteful number, since it uses less digits than its factorization.

30345231323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752775 (or 1752771 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 34.

Adding to 30345231323320 its reverse (2332313254303), we get a palindrome (32677544577623).

The spelling of 30345231323320 in words is "thirty trillion, three hundred forty-five billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 779353 973411 1558706 1946822 3117412 3893644 3896765 4867055 6234824 7787288 7793530 9734110 15587060 19468220 31174120 38936440 758630783083 1517261566166 3034523132332 3793153915415 6069046264664 7586307830830 15172615661660 30345231323320