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23530021448 = 232941252681
BaseRepresentation
bin10101111010011111…
…111010001001001000
32020201211212221022212
4111322133322021020
5341142141141243
614450510004252
71462044611423
oct257237721110
966654787285
1023530021448
119a850a141a
1246881a6688
1322acb25c1b
1411d305a9ba
1592ab08318
hex57a7fa248

23530021448 has 8 divisors (see below), whose sum is σ = 44118790230. Its totient is φ = 11765010720.

The previous prime is 23530021433. The next prime is 23530021511. The reversal of 23530021448 is 84412003532.

It can be written as a sum of positive squares in only one way, i.e., 23262960484 + 267060964 = 152522^2 + 16342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470626333 + ... + 1470626348.

Almost surely, 223530021448 is an apocalyptic number.

It is an amenable number.

23530021448 is a deficient number, since it is larger than the sum of its proper divisors (20588768782).

23530021448 is a wasteful number, since it uses less digits than its factorization.

23530021448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941252687 (or 2941252683 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 23530021448 in words is "twenty-three billion, five hundred thirty million, twenty-one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 2941252681 5882505362 11765010724 23530021448