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193297046242 = 2181533969741
BaseRepresentation
bin1011010000000101100…
…1101101101011100010
3200110221012111100112211
42310001121231223202
511131333020434432
6224444402312334
716652036532526
oct2640131555342
9613835440484
10193297046242
1174a821638a3
12315669586aa
13152c671b751
1494d9ba9d86
155064c83d47
hex2d0166dae2

193297046242 has 8 divisors (see below), whose sum is σ = 291547479132. Its totient is φ = 96114553200.

The previous prime is 193297046237. The next prime is 193297046249. The reversal of 193297046242 is 242640792391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149690836201 + 43606210041 = 386899^2 + 208821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (193297046249) 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, 266984509 + ... + 266985232.

Almost surely, 2193297046242 is an apocalyptic number.

193297046242 is a deficient number, since it is larger than the sum of its proper divisors (98250432890).

193297046242 is a wasteful number, since it uses less digits than its factorization.

193297046242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533969924.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 193297046242 in words is "one hundred ninety-three billion, two hundred ninety-seven million, forty-six thousand, two hundred forty-two".

Divisors: 1 2 181 362 533969741 1067939482 96648523121 193297046242