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188457442196 = 2275762238257
BaseRepresentation
bin1010111110000011110…
…0000101101110010100
3200000102220220222212112
42233200330011232110
511041430101122241
6222324241010152
716421102553662
oct2574074055624
9600386828775
10188457442196
1172a19349731
1230636023958
1314a04b8b90a
14919b13bc32
154d7ee621eb
hex2be0f05b94

188457442196 has 12 divisors (see below), whose sum is σ = 330236196948. Its totient is φ = 94104243072.

The previous prime is 188457442157. The next prime is 188457442207. The reversal of 188457442196 is 691244754881.

188457442196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 167637838096 + 20819604100 = 409436^2 + 144290^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 31116101 + ... + 31122156.

It is an arithmetic number, because the mean of its divisors is an integer number (27519683079).

Almost surely, 2188457442196 is an apocalyptic number.

It is an amenable number.

188457442196 is a deficient number, since it is larger than the sum of its proper divisors (141778754752).

188457442196 is a wasteful number, since it uses less digits than its factorization.

188457442196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62239018 (or 62239016 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The spelling of 188457442196 in words is "one hundred eighty-eight billion, four hundred fifty-seven million, four hundred forty-two thousand, one hundred ninety-six".

Divisors: 1 2 4 757 1514 3028 62238257 124476514 248953028 47114360549 94228721098 188457442196