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193648954244 = 22249531940137
BaseRepresentation
bin1011010001011001100…
…0001000101110000100
3200111211201200010120112
42310112120020232010
511133043113013434
6224543333052152
716663541644424
oct2642630105604
9614751603515
10193648954244
1175142871559
1231644787058
13153515c2235
149530812484
155085ae7dce
hex2d16608b84

193648954244 has 12 divisors (see below), whose sum is σ = 338899425564. Its totient is φ = 96820546944.

The previous prime is 193648954243. The next prime is 193648954253. The reversal of 193648954244 is 442459846391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170826809344 + 22822144900 = 413312^2 + 151070^2 .

It is a super-2 number, since 2×1936489542442 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193648954243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870257 + ... + 1069880.

It is an arithmetic number, because the mean of its divisors is an integer number (28241618797).

Almost surely, 2193648954244 is an apocalyptic number.

It is an amenable number.

193648954244 is a deficient number, since it is larger than the sum of its proper divisors (145250471320).

193648954244 is a wasteful number, since it uses less digits than its factorization.

193648954244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965094 (or 1965092 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The spelling of 193648954244 in words is "one hundred ninety-three billion, six hundred forty-eight million, nine hundred fifty-four thousand, two hundred forty-four".

Divisors: 1 2 4 24953 49906 99812 1940137 3880274 7760548 48412238561 96824477122 193648954244