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10213201440 = 2533513296271
BaseRepresentation
bin10011000001100000…
…10001011000100000
3222100202221101112000
421200300101120200
5131404034421230
64405240204000
7511043531331
oct114060213040
928322841460
1010213201440
1143710a4452
121b90469600
13c69c17580
146cc5c0288
153eb973b60
hex260c11620

10213201440 has 384 divisors, whose sum is σ = 39829708800. Its totient is φ = 2426941440.

The previous prime is 10213201429. The next prime is 10213201447. The reversal of 10213201440 is 4410231201.

10213201440 is a `hidden beast` number, since 1 + 0 + 21 + 3 + 201 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10213201447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1625505 + ... + 1631775.

It is an arithmetic number, because the mean of its divisors is an integer number (103723200).

Almost surely, 210213201440 is an apocalyptic number.

10213201440 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 10213201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19914854400).

10213201440 is an abundant number, since it is smaller than the sum of its proper divisors (29616507360).

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

10213201440 is a wasteful number, since it uses less digits than its factorization.

10213201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6323 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10213201440 its reverse (4410231201), we get a palindrome (14623432641).

The spelling of 10213201440 in words is "ten billion, two hundred thirteen million, two hundred one thousand, four hundred forty".