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23828768280 = 2332566191023
BaseRepresentation
bin10110001100010011…
…100010011000011000
32021111200000211221100
4112030103202120120
5342300131041110
614540301111400
71502333121432
oct261423423030
967450024840
1023828768280
11a11879a329
124750258560
1323299a54b5
1412209c5652
15946e6abc0
hex58c4e2618

23828768280 has 48 divisors (see below), whose sum is σ = 77443498080. Its totient is φ = 6354338112.

The previous prime is 23828768279. The next prime is 23828768287. The reversal of 23828768280 is 8286782832.

It is a happy number.

23828768280 is a `hidden beast` number, since 23 + 8 + 287 + 68 + 280 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23828768287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33095152 + ... + 33095871.

It is an arithmetic number, because the mean of its divisors is an integer number (1613406210).

Almost surely, 223828768280 is an apocalyptic number.

23828768280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23828768280 is an abundant number, since it is smaller than the sum of its proper divisors (53614729800).

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

23828768280 is a wasteful number, since it uses less digits than its factorization.

23828768280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66191040 (or 66191033 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 23828768280 in words is "twenty-three billion, eight hundred twenty-eight million, seven hundred sixty-eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 66191023 132382046 198573069 264764092 330955115 397146138 529528184 595719207 661910230 794292276 992865345 1191438414 1323820460 1588584552 1985730690 2382876828 2647640920 2978596035 3971461380 4765753656 5957192070 7942922760 11914384140 23828768280