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140268478980 = 223572713671831
BaseRepresentation
bin1000001010100010100…
…1110010001000000100
3111102001112220000200010
42002220221302020010
54244232212311410
6144234412150220
713063661253600
oct2025051621004
9442045800603
10140268478980
115453a9993a3
1223227768370
13102c53a46b6
146b09158500
1539ae5a5c20
hex20a8a72204

140268478980 has 288 divisors, whose sum is σ = 464825475072. Its totient is φ = 31506451200.

The previous prime is 140268478957. The next prime is 140268478991. The reversal of 140268478980 is 89874862041.

It is a self number, because there is not a number n which added to its sum of digits gives 140268478980.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76606665 + ... + 76608495.

It is an arithmetic number, because the mean of its divisors is an integer number (1613977344).

Almost surely, 2140268478980 is an apocalyptic number.

140268478980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140268478980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232412737536).

140268478980 is an abundant number, since it is smaller than the sum of its proper divisors (324556996092).

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

140268478980 is a wasteful number, since it uses less digits than its factorization.

140268478980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 140268478980 in words is "one hundred forty billion, two hundred sixty-eight million, four hundred seventy-eight thousand, nine hundred eighty".