Search a number
-
+
193429578469 = 7312720863939
BaseRepresentation
bin1011010000100101001…
…1010010001011100101
3200111021102212200120211
42310021103102023211
511132120433002334
6224505455055421
716655236201051
oct2641123221345
9614242780524
10193429578469
117503aa55266
12315a3211571
131531801299a
14950d628c61
155071712a64
hex2d094d22e5

193429578469 has 8 divisors (see below), whose sum is σ = 197623239680. Its totient is φ = 189277645536.

The previous prime is 193429578443. The next prime is 193429578473. The reversal of 193429578469 is 964875924391.

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

It is a cyclic number.

It is not a de Polignac number, because 193429578469 - 217 = 193429447397 is a prime.

It is a super-2 number, since 2×1934295784692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193427578469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10422699 + ... + 10441240.

It is an arithmetic number, because the mean of its divisors is an integer number (24702904960).

Almost surely, 2193429578469 is an apocalyptic number.

It is an amenable number.

193429578469 is a deficient number, since it is larger than the sum of its proper divisors (4193661211).

193429578469 is a wasteful number, since it uses less digits than its factorization.

193429578469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20864139.

The product of its digits is 117573120, while the sum is 67.

The spelling of 193429578469 in words is "one hundred ninety-three billion, four hundred twenty-nine million, five hundred seventy-eight thousand, four hundred sixty-nine".

Divisors: 1 73 127 9271 20863939 1523067547 2649720253 193429578469