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10123123288 = 2319319793313
BaseRepresentation
bin10010110110110001…
…01001101001011000
3222010111102221112011
421123120221221120
5131213004421123
64352301355304
7505601061655
oct113330515130
928114387464
1010123123288
11432526a3a3
121b66268b34
13c54368ba5
146c0652c2c
153e3acde0d
hex25b629a58

10123123288 has 32 divisors (see below), whose sum is σ = 19094605200. Its totient is φ = 5031272448.

The previous prime is 10123123277. The next prime is 10123123289. The reversal of 10123123288 is 88232132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123123289) 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, 3053920 + ... + 3057232.

Almost surely, 210123123288 is an apocalyptic number.

It is an amenable number.

10123123288 is a deficient number, since it is larger than the sum of its proper divisors (8971481912).

10123123288 is a wasteful number, since it uses less digits than its factorization.

10123123288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5487 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 10123123288 its reverse (88232132101), we get a palindrome (98355255389).

The spelling of 10123123288 in words is "ten billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 193 386 772 1544 1979 3313 3958 6626 7916 13252 15832 26504 381947 639409 763894 1278818 1527788 2557636 3055576 5115272 6556427 13112854 26225708 52451416 1265390411 2530780822 5061561644 10123123288