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23120120231330 = 255343622868361
BaseRepresentation
bin1010100000111000100101…
…00011011011010110100010
310000212021001221010202222112
411100130102203123112202
511012300001234400310
6121101123035035322
74604242063265033
oct520342243332642
9100767057122875
1023120120231330
117404208148471
122714a0159bb42
13cb92aaba62a5
1459d03c436a8a
152a1619dce705
hex1507128db5a2

23120120231330 has 16 divisors (see below), whose sum is σ = 42401428047864. Its totient is φ = 9073556618880.

The previous prime is 23120120231303. The next prime is 23120120231413. The reversal of 23120120231330 is 3313202102132.

It can be written as a sum of positive squares in 4 ways, for example, as 20890686020689 + 2229434210641 = 4570633^2 + 1493129^2 .

It is a super-2 number, since 2×231201202313302 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23120120231296 and 23120120231305.

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, 21811433651 + ... + 21811434710.

Almost surely, 223120120231330 is an apocalyptic number.

23120120231330 is a deficient number, since it is larger than the sum of its proper divisors (19281307816534).

23120120231330 is a wasteful number, since it uses less digits than its factorization.

23120120231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43622868421.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23120120231330 its reverse (3313202102132), we get a palindrome (26433322333462).

The spelling of 23120120231330 in words is "twenty-three trillion, one hundred twenty billion, one hundred twenty million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 43622868361 87245736722 218114341805 436228683610 2312012023133 4624024046266 11560060115665 23120120231330