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20830681416 = 2334877177967
BaseRepresentation
bin10011011001100110…
…101111100101001000
31222202201121020221010
4103121212233211020
5320130123301131
613323001443520
71335126604416
oct233146574510
958681536833
1020830681416
11891a416296
1240541a05a0
131c6c8109bc
14101875a2b6
1581db53b46
hex4d99af948

20830681416 has 32 divisors (see below), whose sum is σ = 52087674240. Its totient is φ = 6942097728.

The previous prime is 20830681357. The next prime is 20830681439. The reversal of 20830681416 is 61418603802.

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, 28065 + ... + 206031.

It is an arithmetic number, because the mean of its divisors is an integer number (1627739820).

Almost surely, 220830681416 is an apocalyptic number.

It is an amenable number.

20830681416 is an abundant number, since it is smaller than the sum of its proper divisors (31256992824).

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

20830681416 is a wasteful number, since it uses less digits than its factorization.

20830681416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182853 (or 182849 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 20830681416 in words is "twenty billion, eight hundred thirty million, six hundred eighty-one thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 4877 9754 14631 19508 29262 39016 58524 117048 177967 355934 533901 711868 1067802 1423736 2135604 4271208 867945059 1735890118 2603835177 3471780236 5207670354 6943560472 10415340708 20830681416