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193676520073 = 887218350079
BaseRepresentation
bin1011010001100000000…
…1010010101010001001
3200111220122112121210011
42310120001102222021
511133122142120243
6224550155551521
716664325154321
oct2643001225211
9614818477704
10193676520073
117515738a133
1231651a5b5a1
131535722428a
14953434a281
15508824089d
hex2d18052a89

193676520073 has 4 divisors (see below), whose sum is σ = 193894871040. Its totient is φ = 193458169108.

The previous prime is 193676520053. The next prime is 193676520127. The reversal of 193676520073 is 370025676391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193676520073 - 217 = 193676389001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193676519999 and 193676520026.

It is not an unprimeable number, because it can be changed into a prime (193676520013) 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, 109174153 + ... + 109175926.

It is an arithmetic number, because the mean of its divisors is an integer number (48473717760).

Almost surely, 2193676520073 is an apocalyptic number.

It is an amenable number.

193676520073 is a deficient number, since it is larger than the sum of its proper divisors (218350967).

193676520073 is an equidigital number, since it uses as much as digits as its factorization.

193676520073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218350966.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 193676520073 in words is "one hundred ninety-three billion, six hundred seventy-six million, five hundred twenty thousand, seventy-three".

Divisors: 1 887 218350079 193676520073