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226689013347680 = 25513108985102571
BaseRepresentation
bin110011100010110000100110…
…000111010111010101100000
31002201122020222002210202012102
4303202300212013113111200
5214203033044404111210
62122043254533545532
765514512034563042
oct6342604607272540
91081566862722172
10226689013347680
11662592a829a984
1221511a23aa52a8
1399648b3b39520
143dd9b41b7ba92
151b31a7c660ea5
hexce2c261d7560

226689013347680 has 48 divisors (see below), whose sum is σ = 576749162811024. Its totient is φ = 83700558773760.

The previous prime is 226689013347647. The next prime is 226689013347691. The reversal of 226689013347680 is 86743310986622.

It is a happy number.

It is a super-2 number, since 2×2266890133476802 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 54492549206 + ... + 54492553365.

It is an arithmetic number, because the mean of its divisors is an integer number (12015607558563).

Almost surely, 2226689013347680 is an apocalyptic number.

226689013347680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226689013347680 is an abundant number, since it is smaller than the sum of its proper divisors (350060149463344).

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

226689013347680 is a wasteful number, since it uses less digits than its factorization.

226689013347680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108985102599 (or 108985102591 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 226689013347680 in words is "two hundred twenty-six trillion, six hundred eighty-nine billion, thirteen million, three hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 108985102571 217970205142 435940410284 544925512855 871880820568 1089851025710 1416806333423 1743761641136 2179702051420 2833612666846 3487523282272 4359404102840 5667225333692 7084031667115 8718808205680 11334450667384 14168063334230 17437616411360 22668901334768 28336126668460 45337802669536 56672253336920 113344506673840 226689013347680