Search a number
-
+
23785653668 = 2271209770223
BaseRepresentation
bin10110001001101111…
…000100010110100100
32021101122220101210212
4112021233010112210
5342203111404133
614532121034552
71501300502030
oct261157042644
967348811725
1023785653668
11a0a6421717
124739925a58
132320a8b0aa
141218da11c0
159432a1148
hex589bc45a4

23785653668 has 24 divisors (see below), whose sum is σ = 47575917312. Its totient is φ = 10192863744.

The previous prime is 23785653667. The next prime is 23785653739. The reversal of 23785653668 is 86635658732.

It is not an unprimeable number, because it can be changed into a prime (23785653667) 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, 303605 + ... + 373827.

It is an arithmetic number, because the mean of its divisors is an integer number (1982329888).

Almost surely, 223785653668 is an apocalyptic number.

23785653668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23785653668 is an abundant number, since it is smaller than the sum of its proper divisors (23790263644).

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

23785653668 is a wasteful number, since it uses less digits than its factorization.

23785653668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82331 (or 82329 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 59.

The spelling of 23785653668 in words is "twenty-three billion, seven hundred eighty-five million, six hundred fifty-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 12097 24194 48388 70223 84679 140446 169358 280892 338716 491561 983122 1966244 849487631 1698975262 3397950524 5946413417 11892826834 23785653668