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19342220860 = 2253732592791
BaseRepresentation
bin10010000000111000…
…101101111000111100
31211220222210121220101
4102000320231320330
5304103102031420
612515150530444
71253214110314
oct220070557074
954828717811
1019342220860
1182261a78a6
1238b9806a24
131a9332bc01
14d16bbc444
1578313860a
hex480e2de3c

19342220860 has 24 divisors (see below), whose sum is σ = 40727576736. Its totient is φ = 7716143040.

The previous prime is 19342220819. The next prime is 19342220869. The reversal of 19342220860 is 6802224391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19342220869) 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, 1288936 + ... + 1303855.

It is an arithmetic number, because the mean of its divisors is an integer number (1696982364).

Almost surely, 219342220860 is an apocalyptic number.

19342220860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19342220860 is an abundant number, since it is smaller than the sum of its proper divisors (21385355876).

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

19342220860 is a wasteful number, since it uses less digits than its factorization.

19342220860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593173 (or 2593171 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 19342220860 in words is "nineteen billion, three hundred forty-two million, two hundred twenty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 373 746 1492 1865 3730 7460 2592791 5185582 10371164 12963955 25927910 51855820 967111043 1934222086 3868444172 4835555215 9671110430 19342220860