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23480689820 = 2257198827327
BaseRepresentation
bin10101110111100011…
…101110010010011100
32020121102001122001112
4111313203232102130
5341042024033240
614441544401152
71460605366430
oct256743562234
966542048045
1023480689820
119a5a267885
1246737761b8
1322a2842b03
1411ca6989c0
15926611665
hex5778ee49c

23480689820 has 48 divisors (see below), whose sum is σ = 59319644160. Its totient is φ = 7626809664.

The previous prime is 23480689783. The next prime is 23480689823. The reversal of 23480689820 is 2898608432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23480689823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411004 + ... + 4416323.

It is an arithmetic number, because the mean of its divisors is an integer number (1235825920).

Almost surely, 223480689820 is an apocalyptic number.

23480689820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23480689820 is an abundant number, since it is smaller than the sum of its proper divisors (35838954340).

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

23480689820 is a wasteful number, since it uses less digits than its factorization.

23480689820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8827362 (or 8827360 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 23480689820 in words is "twenty-three billion, four hundred eighty million, six hundred eighty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 8827327 17654654 35309308 44136635 61791289 88273270 123582578 167719213 176546540 247165156 308956445 335438426 617912890 670876852 838596065 1174034491 1235825780 1677192130 2348068982 3354384260 4696137964 5870172455 11740344910 23480689820