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10272220340 = 225513611017
BaseRepresentation
bin10011001000100010…
…11010010010110100
3222111212222212020012
421210101122102310
5132014142022330
64415145155352
7512361301154
oct114421322264
928455885205
1010272220340
1143a14451a8
121ba818bb58
13c7920cab5
146d6384764
15401c30c95
hex26445a4b4

10272220340 has 12 divisors (see below), whose sum is σ = 21571662756. Its totient is φ = 4108888128.

The previous prime is 10272220333. The next prime is 10272220351. The reversal of 10272220340 is 4302227201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3403788964 + 6868431376 = 58342^2 + 82876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256805489 + ... + 256805528.

It is an arithmetic number, because the mean of its divisors is an integer number (1797638563).

Almost surely, 210272220340 is an apocalyptic number.

10272220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10272220340 is an abundant number, since it is smaller than the sum of its proper divisors (11299442416).

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

10272220340 is a wasteful number, since it uses less digits than its factorization.

10272220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513611026 (or 513611024 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 10272220340 its reverse (4302227201), we get a palindrome (14574447541).

The spelling of 10272220340 in words is "ten billion, two hundred seventy-two million, two hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 513611017 1027222034 2054444068 2568055085 5136110170 10272220340