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193419362885841 = 34313249372
BaseRepresentation
bin101011111110100111110100…
…011010101110000011010001
3221100211201011221220222010000
4223332213310122232003101
5200322440323344321331
61523211343442000213
755512042056624451
oct5376476432560321
9840751157828100
10193419362885841
11566a1766a0a0a4
1219839b75346069
1383c04a19877b1
1435a97933cbd61
1517564351050e6
hexafe9f46ae0d1

193419362885841 has 45 divisors (see below), whose sum is σ = 289919886118401. Its totient is φ = 128508238205568.

The previous prime is 193419362885677. The next prime is 193419362885849. The reversal of 193419362885841 is 148588263914391.

The square root of 193419362885841 is 13907529.

It is a perfect power (a square), and thus also a powerful number.

193419362885841 is a `hidden beast` number, since 1 + 9 + 3 + 4 + 1 + 9 + 36 + 2 + 8 + 8 + 584 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 93913949828241 + 99505413057600 = 9690921^2 + 9975240^2 .

It is not a de Polignac number, because 193419362885841 - 231 = 193417215402193 is a prime.

It is a super-2 number, since 2×1934193628858412 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 193419362885841.

It is not an unprimeable number, because it can be changed into a prime (193419362885849) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 39177506725 + ... + 39177511661.

Almost surely, 2193419362885841 is an apocalyptic number.

193419362885841 is the 13907529-th square number.

193419362885841 is the 6953765-th centered octagonal number.

It is an amenable number.

193419362885841 is a deficient number, since it is larger than the sum of its proper divisors (96500523232560).

193419362885841 is an frugal number, since it uses more digits than its factorization.

193419362885841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512 (or 5253 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 72.

The spelling of 193419362885841 in words is "one hundred ninety-three trillion, four hundred nineteen billion, three hundred sixty-two million, eight hundred eighty-five thousand, eight hundred forty-one".

Divisors: 1 3 9 27 81 313 939 2817 4937 8451 14811 25353 44433 97969 133299 293907 399897 881721 1545281 2645163 4635843 7935489 13907529 24373969 41722587 73121907 125167761 219365721 483672953 658097163 1451018859 1974291489 4353056577 7629052297 13059169731 22887156891 39177509193 68661470673 205984412019 617953236057 2387893368961 7163680106883 21491040320649 64473120961947 193419362885841