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23378630069 = 97799724001
BaseRepresentation
bin10101110001011110…
…011001010110110101
32020100022000110101202
4111301132121112311
5340334412130234
614423501102245
71455226035224
oct256136312665
966308013352
1023378630069
119a07699883
124645557985
13228765a922
1411baccccbb
1591c6a177e
hex5717995b5

23378630069 has 8 divisors (see below), whose sum is σ = 23427008088. Its totient is φ = 23330304000.

The previous prime is 23378630063. The next prime is 23378630081. The reversal of 23378630069 is 96003687332.

It can be written as a sum of positive squares in 4 ways, for example, as 10595614225 + 12783015844 = 102935^2 + 113062^2 .

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 23378630069 - 212 = 23378625973 is a prime.

It is a super-3 number, since 3×233786300693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378630063) 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, 962069 + ... + 986069.

It is an arithmetic number, because the mean of its divisors is an integer number (2928376011).

Almost surely, 223378630069 is an apocalyptic number.

It is an amenable number.

23378630069 is a deficient number, since it is larger than the sum of its proper divisors (48378019).

23378630069 is an equidigital number, since it uses as much as digits as its factorization.

23378630069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25975.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 23378630069 in words is "twenty-three billion, three hundred seventy-eight million, six hundred thirty thousand, sixty-nine".

Divisors: 1 977 997 24001 974069 23448977 23928997 23378630069