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193324657969 = 4396872
BaseRepresentation
bin1011010000001100001…
…1000010110100110001
3200111000010110011201101
42310003003002310301
511131412103023334
6224451230204401
716652523323302
oct2640303026461
9614003404641
10193324657969
1174a96802a03
1231574053701
13152cc368651
1494dd7167a9
1550673da214
hex2d030c2d31

193324657969 has 3 divisors (see below), whose sum is σ = 193325097657. Its totient is φ = 193324218282.

The previous prime is 193324657937. The next prime is 193324658003. The reversal of 193324657969 is 969756423391.

The square root of 193324657969 is 439687.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 193324657969 - 25 = 193324657937 is a prime.

It is a super-2 number, since 2×1933246579692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193324657969.

It is not an unprimeable number, because it can be changed into a prime (193324657469) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 219844 + ... + 659530.

It is an arithmetic number, because the mean of its divisors is an integer number (64441699219).

Almost surely, 2193324657969 is an apocalyptic number.

193324657969 is the 439687-th square number.

193324657969 is the 219844-th centered octagonal number.

It is an amenable number.

193324657969 is a deficient number, since it is larger than the sum of its proper divisors (439688).

193324657969 is an frugal number, since it uses more digits than its factorization.

193324657969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879374 (or 439687 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 64.

Multiplying 193324657969 by its sum of digits (64), we get a square (12372778110016 = 35174962).

The spelling of 193324657969 in words is "one hundred ninety-three billion, three hundred twenty-four million, six hundred fifty-seven thousand, nine hundred sixty-nine".

Divisors: 1 439687 193324657969