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196991113100 = 225212973151847
BaseRepresentation
bin1011011101110110010…
…1011101011110001100
3200211110122112101121212
42313131211131132030
511211414211104400
6230255123113552
720142423555665
oct2673545353614
9624418471555
10196991113100
11765a8390a11
1232217b128b8
1315764b45922
14976a64436c
1551ce227335
hex2ddd95d78c

196991113100 has 36 divisors (see below), whose sum is σ = 427506481584. Its totient is φ = 78789852480.

The previous prime is 196991113097. The next prime is 196991113117. The reversal of 196991113100 is 1311199691.

It is a happy number.

It is a super-2 number, since 2×1969911131002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1221377 + ... + 1373223.

It is an arithmetic number, because the mean of its divisors is an integer number (11875180044).

Almost surely, 2196991113100 is an apocalyptic number.

196991113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196991113100 is an abundant number, since it is smaller than the sum of its proper divisors (230515368484).

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

196991113100 is a wasteful number, since it uses less digits than its factorization.

196991113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164834 (or 164827 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 196991113100 in words is "one hundred ninety-six billion, nine hundred ninety-one million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 12973 25946 51892 64865 129730 151847 259460 303694 324325 607388 648650 759235 1297300 1518470 3036940 3796175 7592350 15184700 1969911131 3939822262 7879644524 9849555655 19699111310 39398222620 49247778275 98495556550 196991113100