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687422369348 = 2211132694467611
BaseRepresentation
bin10100000000011011001…
…00001110111001000100
32102201100122110120002122
422000031210032321010
542230320111304343
61243444131025112
7100443652505261
oct12001544167104
92381318416078
10687422369348
11245597008620
12b128843b198
134ca9273c540
14253b2ac4268
1512d34c87068
hexa00d90ee44

687422369348 has 48 divisors (see below), whose sum is σ = 1418556162240. Its totient is φ = 287356675200.

The previous prime is 687422369329. The next prime is 687422369363. The reversal of 687422369348 is 843963224786.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079938 + ... + 2387673.

It is an arithmetic number, because the mean of its divisors is an integer number (29553253380).

Almost surely, 2687422369348 is an apocalyptic number.

It is an amenable number.

687422369348 is an abundant number, since it is smaller than the sum of its proper divisors (731133792892).

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

687422369348 is a wasteful number, since it uses less digits than its factorization.

687422369348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467908 (or 4467906 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 62.

The spelling of 687422369348 in words is "six hundred eighty-seven billion, four hundred twenty-two million, three hundred sixty-nine thousand, three hundred forty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 269 286 538 572 1076 2959 3497 5918 6994 11836 13988 38467 76934 153868 4467611 8935222 17870444 49143721 58078943 98287442 116157886 196574884 232315772 638868373 1201787359 1277736746 2403574718 2555473492 4807149436 13219660949 15623235667 26439321898 31246471334 52878643796 62492942668 171855592337 343711184674 687422369348