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196508742140 = 22512497866643
BaseRepresentation
bin1011011100000011010…
…1010111000111111100
3200210020000212102001202
42313000311113013330
511204422214222030
6230135212155032
720124445514444
oct2670065270774
9623200772052
10196508742140
1176380075527
1232102468a78
13156b8c23a19
14972255b124
1551a1be2745
hex2dc0d571fc

196508742140 has 24 divisors (see below), whose sum is σ = 412998810000. Its totient is φ = 78540553728.

The previous prime is 196508742113. The next prime is 196508742151. The reversal of 196508742140 is 41247805691.

It is a happy number.

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, 3908342 + ... + 3958301.

It is an arithmetic number, because the mean of its divisors is an integer number (17208283750).

Almost surely, 2196508742140 is an apocalyptic number.

196508742140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196508742140 is an abundant number, since it is smaller than the sum of its proper divisors (216490067860).

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

196508742140 is a wasteful number, since it uses less digits than its factorization.

196508742140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867901 (or 7867899 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 196508742140 in words is "one hundred ninety-six billion, five hundred eight million, seven hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1249 2498 4996 6245 12490 24980 7866643 15733286 31466572 39333215 78666430 157332860 9825437107 19650874214 39301748428 49127185535 98254371070 196508742140