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79429999589 = 1723203145779
BaseRepresentation
bin100100111111001100…
…1011001101111100101
321121000121120001102122
41021332121121233211
52300133034441324
6100253432315325
75511230566553
oct1117631315745
9247017501378
1079429999589
1130760189366
1213488b42b45
13764b010c75
143bb71a0bd3
1520ed429a5e
hex127e659be5

79429999589 has 8 divisors (see below), whose sum is σ = 87758976960. Its totient is φ = 71507313856.

The previous prime is 79429999559. The next prime is 79429999591. The reversal of 79429999589 is 98599992497.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79429999589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79429999559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101572499 + ... + 101573280.

It is an arithmetic number, because the mean of its divisors is an integer number (10969872120).

Almost surely, 279429999589 is an apocalyptic number.

It is an amenable number.

79429999589 is a deficient number, since it is larger than the sum of its proper divisors (8328977371).

79429999589 is a wasteful number, since it uses less digits than its factorization.

79429999589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203145819.

The product of its digits is 1190427840, while the sum is 80.

The spelling of 79429999589 in words is "seventy-nine billion, four hundred twenty-nine million, nine hundred ninety-nine thousand, five hundred eighty-nine".

Divisors: 1 17 23 391 203145779 3453478243 4672352917 79429999589