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116837981980 = 225237128312641
BaseRepresentation
bin110110011010000010…
…1100001111100011100
3102011120122021110012221
41230310011201330130
53403241010410410
6125401415235124
711304232313656
oct1546405417434
9364518243187
10116837981980
1145606aa4195
121a788978aa4
13b0300869a5
1459254076d6
15308c5ab4da
hex1b34161f1c

116837981980 has 96 divisors (see below), whose sum is σ = 260571644928. Its totient is φ = 43914393600.

The previous prime is 116837981971. The next prime is 116837981993. The reversal of 116837981980 is 89189738611.

It is a super-2 number, since 2×1168379819802 (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 9236460 + ... + 9249100.

It is an arithmetic number, because the mean of its divisors is an integer number (2714287968).

Almost surely, 2116837981980 is an apocalyptic number.

116837981980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116837981980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130285822464).

116837981980 is an abundant number, since it is smaller than the sum of its proper divisors (143733662948).

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

116837981980 is a wasteful number, since it uses less digits than its factorization.

116837981980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027 (or 13025 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 116837981980 in words is "one hundred sixteen billion, eight hundred thirty-seven million, nine hundred eighty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 71 92 115 142 230 283 284 355 460 566 710 1132 1415 1420 1633 2830 3266 5660 6509 6532 8165 12641 13018 16330 20093 25282 26036 32545 32660 40186 50564 63205 65090 80372 100465 126410 130180 200930 252820 290743 401860 462139 581486 897511 924278 1162972 1453715 1795022 1848556 2310695 2907430 3577403 3590044 4487555 4621390 5814860 7154806 8975110 9242780 14309612 17887015 17950220 20642753 35774030 41285506 71548060 82280269 82571012 103213765 164560538 206427530 253995613 329121076 411401345 412855060 507991226 822802690 1015982452 1269978065 1645605380 2539956130 5079912260 5841899099 11683798198 23367596396 29209495495 58418990990 116837981980