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192918774152 = 23132142691401
BaseRepresentation
bin1011001110101011011…
…0101110000110001000
3200102221211201010210102
42303222312232012020
511130044201233102
6224343050504532
716636464344456
oct2635266560610
9612854633712
10192918774152
11748a8689435
1231480135148
1315266246c00
1494a185d9d6
155041963402
hex2ceadae188

192918774152 has 24 divisors (see below), whose sum is σ = 391687898490. Its totient is φ = 89039433600.

The previous prime is 192918774149. The next prime is 192918774221. The reversal of 192918774152 is 251477819291.

It is a happy number.

192918774152 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 136851164356 + 56067609796 = 369934^2 + 236786^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71344349 + ... + 71347052.

Almost surely, 2192918774152 is an apocalyptic number.

It is an amenable number.

192918774152 is an abundant number, since it is smaller than the sum of its proper divisors (198769124338).

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

192918774152 is a wasteful number, since it uses less digits than its factorization.

192918774152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142691433 (or 142691416 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 56.

The spelling of 192918774152 in words is "one hundred ninety-two billion, nine hundred eighteen million, seven hundred seventy-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 142691401 285382802 570765604 1141531208 1854988213 3709976426 7419952852 14839905704 24114846769 48229693538 96459387076 192918774152