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10204403040 = 2532513601907
BaseRepresentation
bin10011000000011101…
…01101010101100000
3222100011101101101100
421200032231111200
5131344311344130
64404323434400
7510605665116
oct114016552540
928304341340
1010204403040
114367135047
121b89525a00
13c68156910
146cb36dab6
153eacd6c60
hex2603ad560

10204403040 has 288 divisors, whose sum is σ = 37604994336. Its totient is φ = 2504908800.

The previous prime is 10204402991. The next prime is 10204403047. The reversal of 10204403040 is 4030440201.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×102044030402 (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204403047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11250267 + ... + 11251173.

It is an arithmetic number, because the mean of its divisors is an integer number (130572897).

Almost surely, 210204403040 is an apocalyptic number.

10204403040 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 10204403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18802497168).

10204403040 is an abundant number, since it is smaller than the sum of its proper divisors (27400591296).

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

10204403040 is a wasteful number, since it uses less digits than its factorization.

10204403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10204403040 its reverse (4030440201), we get a palindrome (14234843241).

The spelling of 10204403040 in words is "ten billion, two hundred four million, four hundred three thousand, forty".