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197241845020 = 22511896553841
BaseRepresentation
bin1011011110110010000…
…1111011010100011100
3200212010010022220011021
42313230201323110130
511212422403020040
6230340041133524
720151560006563
oct2675441732434
9625103286137
10197241845020
1176716974580
1232287a8a2a4
13157a4a834cc
149791a70bda
1551e625324a
hex2dec87b51c

197241845020 has 24 divisors (see below), whose sum is σ = 451863136368. Its totient is φ = 71724307200.

The previous prime is 197241844997. The next prime is 197241845023. The reversal of 197241845020 is 20548142791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197241845023) 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, 448276701 + ... + 448277140.

It is an arithmetic number, because the mean of its divisors is an integer number (18827630682).

Almost surely, 2197241845020 is an apocalyptic number.

197241845020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197241845020 is an abundant number, since it is smaller than the sum of its proper divisors (254621291348).

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

197241845020 is a wasteful number, since it uses less digits than its factorization.

197241845020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896553861 (or 896553859 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 197241845020 in words is "one hundred ninety-seven billion, two hundred forty-one million, eight hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 896553841 1793107682 3586215364 4482769205 8965538410 9862092251 17931076820 19724184502 39448369004 49310461255 98620922510 197241845020