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688875626382 = 23132469866713
BaseRepresentation
bin10100000011001000010…
…11111101111110001110
32102212002221000122222020
422001210023331332032
542241304130021012
61244244243231010
7100524660132246
oct12014413757616
92385087018866
10688875626382
11246172372099
12b1613078466
134cc64846a48
14254adadab26
1512dbc64ba8c
hexa0642fdf8e

688875626382 has 16 divisors (see below), whose sum is σ = 1377763242960. Its totient is φ = 229623210432.

The previous prime is 688875626371. The next prime is 688875626399. The reversal of 688875626382 is 283626578886.

It is a congruent number.

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, 361458 + ... + 1228170.

It is an arithmetic number, because the mean of its divisors is an integer number (86110202685).

Almost surely, 2688875626382 is an apocalyptic number.

688875626382 is an abundant number, since it is smaller than the sum of its proper divisors (688887616578).

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

688875626382 is a wasteful number, since it uses less digits than its factorization.

688875626382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999187.

The product of its digits is 371589120, while the sum is 69.

The spelling of 688875626382 in words is "six hundred eighty-eight billion, eight hundred seventy-five million, six hundred twenty-six thousand, three hundred eighty-two".

Divisors: 1 2 3 6 132469 264938 397407 794814 866713 1733426 2600139 5200278 114812604397 229625208794 344437813191 688875626382