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29453540693 = 57151582383
BaseRepresentation
bin11011011011100100…
…010101110101010101
32211000200000220010112
4123123210111311111
5440310101300233
621310351332405
72061612652013
oct333344256525
984020026115
1029453540693
1111544835075
12585bb21105
132a150c43b5
1415d5a3b8b3
15b75b85048
hex6db915d55

29453540693 has 4 divisors (see below), whose sum is σ = 29505123648. Its totient is φ = 29401957740.

The previous prime is 29453540663. The next prime is 29453540749. The reversal of 29453540693 is 39604535492.

It is a happy number.

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 29453540693 - 222 = 29449346389 is a prime.

It is a super-2 number, since 2×294535406932 (a number of 22 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 (29453540663) 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, 25790621 + ... + 25791762.

It is an arithmetic number, because the mean of its divisors is an integer number (7376280912).

Almost surely, 229453540693 is an apocalyptic number.

It is an amenable number.

29453540693 is a deficient number, since it is larger than the sum of its proper divisors (51582955).

29453540693 is an equidigital number, since it uses as much as digits as its factorization.

29453540693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51582954.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 29453540693 in words is "twenty-nine billion, four hundred fifty-three million, five hundred forty thousand, six hundred ninety-three".

Divisors: 1 571 51582383 29453540693