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23790805650 = 23652432353
BaseRepresentation
bin10110001010000010…
…101110001010010010
32021102000121011000000
4112022002232022102
5342210421240100
614532423310430
71501362340263
oct261202561222
967360534000
1023790805650
11a0a9320457
12473b5ab416
132321b730c1
14121994296a
1594396c900
hex58a0ae292

23790805650 has 252 divisors, whose sum is σ = 68117231178. Its totient is φ = 6179120640.

The previous prime is 23790805637. The next prime is 23790805651. The reversal of 23790805650 is 5650809732.

It is a happy number.

23790805650 is a `hidden beast` number, since 2 + 3 + 7 + 9 + 0 + 80 + 565 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16607734641 + 7183071009 = 128871^2 + 84753^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 23790805596 and 23790805605.

It is not an unprimeable number, because it can be changed into a prime (23790805651) by changing a digit.

It is a polite number, since it can be written in 125 ways as a sum of consecutive naturals, for example, 67395874 + ... + 67396226.

Almost surely, 223790805650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23790805650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34058615589).

23790805650 is an abundant number, since it is smaller than the sum of its proper divisors (44326425528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23790805650 is an equidigital number, since it uses as much as digits as its factorization.

23790805650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 23790805650 in words is "twenty-three billion, seven hundred ninety million, eight hundred five thousand, six hundred fifty".