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253330023020 = 22517745088303
BaseRepresentation
bin1110101111101110100…
…1010110001001101100
3220012220000010112221012
43223323221112021230
513122304441214040
6312213405324352
724205516444454
oct3537351261154
9805800115835
10253330023020
1198489214898
124111b8666b8
131ab72c53809
14c392ba4d64
1568ca34c865
hex3afba5626c

253330023020 has 24 divisors (see below), whose sum is σ = 563286757824. Its totient is φ = 95371302656.

The previous prime is 253330023019. The next prime is 253330023119. The reversal of 253330023020 is 20320033352.

It is a super-2 number, since 2×2533300230202 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372543812 + ... + 372544491.

It is an arithmetic number, because the mean of its divisors is an integer number (23470281576).

Almost surely, 2253330023020 is an apocalyptic number.

253330023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253330023020 is an abundant number, since it is smaller than the sum of its proper divisors (309956734804).

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

253330023020 is a wasteful number, since it uses less digits than its factorization.

253330023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745088329 (or 745088327 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

Adding to 253330023020 its reverse (20320033352), we get a palindrome (273650056372).

The spelling of 253330023020 in words is "two hundred fifty-three billion, three hundred thirty million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 745088303 1490176606 2980353212 3725441515 7450883030 12666501151 14901766060 25333002302 50666004604 63332505755 126665011510 253330023020