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196969594381 = 7155318118811
BaseRepresentation
bin1011011101110001001…
…1010111111000001101
3200211102011001010111021
42313130103113320031
511211343204010011
6230253033554141
720142042633130
oct2673423277015
9624364033437
10196969594381
117659722364a
1232210875951
1315760550161
149767842217
1551cc3c6471
hex2ddc4d7e0d

196969594381 has 8 divisors (see below), whose sum is σ = 225253070784. Its totient is φ = 168722358720.

The previous prime is 196969594379. The next prime is 196969594399. The reversal of 196969594381 is 183495969691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196969594381 - 21 = 196969594379 is a prime.

It is a super-2 number, since 2×1969695943812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196969594381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196969594781) 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, 9048535 + ... + 9070276.

It is an arithmetic number, because the mean of its divisors is an integer number (28156633848).

Almost surely, 2196969594381 is an apocalyptic number.

It is an amenable number.

196969594381 is a deficient number, since it is larger than the sum of its proper divisors (28283476403).

196969594381 is a wasteful number, since it uses less digits than its factorization.

196969594381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120371.

The product of its digits is 113374080, while the sum is 70.

The spelling of 196969594381 in words is "one hundred ninety-six billion, nine hundred sixty-nine million, five hundred ninety-four thousand, three hundred eighty-one".

Divisors: 1 7 1553 10871 18118811 126831677 28138513483 196969594381