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6985552555896 = 2331811608092209
BaseRepresentation
bin110010110100111001101…
…1000001110111101111000
3220201210221011112202212220
41211221303120032331320
51403422402423242041
622505041334404040
71320455335006005
oct145516330167570
926653834482786
106985552555896
1122536133397a2
12949a1b500620
133b8972406235
141a21615688ac
15c1a9c184d66
hex65a7360ef78

6985552555896 has 32 divisors (see below), whose sum is σ = 17560366933200. Its totient is φ = 2315652779520.

The previous prime is 6985552555853. The next prime is 6985552555913.

6985552555896 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×69855525558962 (a number of 26 digits) contains 22 as substring.

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, 804041761 + ... + 804050448.

Almost surely, 26985552555896 is an apocalyptic number.

It is an amenable number.

6985552555896 is an abundant number, since it is smaller than the sum of its proper divisors (10574814377304).

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

6985552555896 is a wasteful number, since it uses less digits than its factorization.

6985552555896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608092399 (or 1608092395 counting only the distinct ones).

The product of its digits is 5832000000, while the sum is 78.

The spelling of 6985552555896 in words is "six trillion, nine hundred eighty-five billion, five hundred fifty-two million, five hundred fifty-five thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 2172 4344 1608092209 3216184418 4824276627 6432368836 9648553254 12864737672 19297106508 38594213016 291064689829 582129379658 873194069487 1164258759316 1746388138974 2328517518632 3492776277948 6985552555896