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197329716340 = 22534928270733
BaseRepresentation
bin1011011111000111000…
…1001000010001110100
3200212100020200012221121
42313301301020101310
511213112401410330
6230352500353324
720154004625311
oct2676161102164
9625306605847
10197329716340
11767615315a9
12322b13a5844
13157ba03b583
14979d5c5d08
1551edd0e17a
hex2df1c48474

197329716340 has 24 divisors (see below), whose sum is σ = 415579789800. Its totient is φ = 78705717888.

The previous prime is 197329716301. The next prime is 197329716343. The reversal of 197329716340 is 43617923791.

It can be written as a sum of positive squares in 4 ways, for example, as 84813747984 + 112515968356 = 291228^2 + 335434^2 .

It is a super-3 number, since 3×1973297163403 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197329716343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14128387 + ... + 14142346.

It is an arithmetic number, because the mean of its divisors is an integer number (17315824575).

Almost surely, 2197329716340 is an apocalyptic number.

197329716340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197329716340 is an abundant number, since it is smaller than the sum of its proper divisors (218250073460).

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

197329716340 is a wasteful number, since it uses less digits than its factorization.

197329716340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28271091 (or 28271089 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 197329716340 in words is "one hundred ninety-seven billion, three hundred twenty-nine million, seven hundred sixteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 28270733 56541466 113082932 141353665 282707330 565414660 9866485817 19732971634 39465943268 49332429085 98664858170 197329716340