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197242706580 = 223531710370279
BaseRepresentation
bin1011011110110010010…
…1001101101010010100
3200212010011221122222220
42313230211031222110
511212423113102310
6230340111422340
720151600225453
oct2675445155224
9625104848886
10197242706580
1176717402907
12322882249b0
13157a4cc56ca
149791c16b9a
1551e6373670
hex2dec94da94

197242706580 has 48 divisors (see below), whose sum is σ = 554021838720. Its totient is φ = 52432125568.

The previous prime is 197242706489. The next prime is 197242706581. The reversal of 197242706580 is 85607242791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197242706581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5166120 + ... + 5204159.

It is an arithmetic number, because the mean of its divisors is an integer number (11542121640).

Almost surely, 2197242706580 is an apocalyptic number.

197242706580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197242706580 is an abundant number, since it is smaller than the sum of its proper divisors (356779132140).

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

197242706580 is a wasteful number, since it uses less digits than its factorization.

197242706580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370608 (or 10370606 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 197242706580 in words is "one hundred ninety-seven billion, two hundred forty-two million, seven hundred six thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 317 634 951 1268 1585 1902 3170 3804 4755 6340 9510 19020 10370279 20740558 31110837 41481116 51851395 62221674 103702790 124443348 155554185 207405580 311108370 622216740 3287378443 6574756886 9862135329 13149513772 16436892215 19724270658 32873784430 39448541316 49310676645 65747568860 98621353290 197242706580