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688868030150 = 25247928762757
BaseRepresentation
bin10100000011000111011…
…10111111011011000110
32102212002101201201220022
422001203232333123012
542241300203431100
61244243412335142
7100524535433636
oct12014356773306
92385071651808
10688868030150
11246169053a13
12b16106144b2
134cc630b7331
14254acac06c6
1512dbbb4ae85
hexa063bbf6c6

688868030150 has 24 divisors (see below), whose sum is σ = 1283969517120. Its totient is φ = 274971947360.

The previous prime is 688868030141. The next prime is 688868030167. The reversal of 688868030150 is 51030868886.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 688868030092 and 688868030101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14357429 + ... + 14405328.

It is an arithmetic number, because the mean of its divisors is an integer number (53498729880).

Almost surely, 2688868030150 is an apocalyptic number.

688868030150 is a deficient number, since it is larger than the sum of its proper divisors (595101486970).

688868030150 is a wasteful number, since it uses less digits than its factorization.

688868030150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763248 (or 28763243 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 688868030150 in words is "six hundred eighty-eight billion, eight hundred sixty-eight million, thirty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 479 958 2395 4790 11975 23950 28762757 57525514 143813785 287627570 719068925 1438137850 13777360603 27554721206 68886803015 137773606030 344434015075 688868030150