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10023156340 = 225501157817
BaseRepresentation
bin10010101010110110…
…10011101001110100
3221212112100002122121
421111123103221310
5131011412000330
64334331005324
7503245265101
oct112533235164
927775302577
1010023156340
1142838a078a
121b38899844
13c39737452
146b126daa8
153d9e3417a
hex2556d3a74

10023156340 has 12 divisors (see below), whose sum is σ = 21048628356. Its totient is φ = 4009262528.

The previous prime is 10023156331. The next prime is 10023156347. The reversal of 10023156340 is 4365132001.

It can be written as a sum of positive squares in 2 ways, for example, as 1126139364 + 8897016976 = 33558^2 + 94324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023156347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250578889 + ... + 250578928.

It is an arithmetic number, because the mean of its divisors is an integer number (1754052363).

Almost surely, 210023156340 is an apocalyptic number.

10023156340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023156340 is an abundant number, since it is smaller than the sum of its proper divisors (11025472016).

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

10023156340 is a wasteful number, since it uses less digits than its factorization.

10023156340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501157826 (or 501157824 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10023156340 its reverse (4365132001), we get a palindrome (14388288341).

The spelling of 10023156340 in words is "ten billion, twenty-three million, one hundred fifty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 501157817 1002315634 2004631268 2505789085 5011578170 10023156340