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10040432990 = 257143434757
BaseRepresentation
bin10010101100111010…
…01101100101011110
3221220201211211202112
421112131031211132
5131030322323430
64340145154022
7503545162250
oct112635154536
927821754675
1010040432990
114292620a05
121b4262b912
13c401a6113
146b3689cd0
153db6e8195
hex25674d95e

10040432990 has 16 divisors (see below), whose sum is σ = 20654605152. Its totient is φ = 3442434144.

The previous prime is 10040432989. The next prime is 10040433089. The reversal of 10040432990 is 9923404001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71717309 + ... + 71717448.

It is an arithmetic number, because the mean of its divisors is an integer number (1290912822).

Almost surely, 210040432990 is an apocalyptic number.

10040432990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10040432990 is an abundant number, since it is smaller than the sum of its proper divisors (10614172162).

10040432990 is a wasteful number, since it uses less digits than its factorization.

10040432990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143434771.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 10040432990 its reverse (9923404001), we get a palindrome (19963836991).

The spelling of 10040432990 in words is "ten billion, forty million, four hundred thirty-two thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 143434757 286869514 717173785 1004043299 1434347570 2008086598 5020216495 10040432990