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23421682949 = 74240778901
BaseRepresentation
bin10101110100000010…
…101000010100000101
32020110022000202211212
4111310002220110011
5340431422323244
614432035541205
71456261006640
oct256402502405
966408022755
1023421682949
119a29a25075
124657a5a805
132293552bc2
1411c28d8a57
15921357d9e
hex5740a8505

23421682949 has 8 divisors (see below), whose sum is σ = 26768608128. Its totient is φ = 20075000400.

The previous prime is 23421682939. The next prime is 23421682993. The reversal of 23421682949 is 94928612432.

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

It is not a de Polignac number, because 23421682949 - 28 = 23421682693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23421682897 and 23421682906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421682939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257399 + ... + 336299.

It is an arithmetic number, because the mean of its divisors is an integer number (3346076016).

Almost surely, 223421682949 is an apocalyptic number.

It is an amenable number.

23421682949 is a deficient number, since it is larger than the sum of its proper divisors (3346925179).

23421682949 is an equidigital number, since it uses as much as digits as its factorization.

23421682949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121315.

The product of its digits is 1492992, while the sum is 50.

The spelling of 23421682949 in words is "twenty-three billion, four hundred twenty-one million, six hundred eighty-two thousand, nine hundred forty-nine".

Divisors: 1 7 42407 78901 296849 552307 3345954707 23421682949