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9140091030 = 234572421547
BaseRepresentation
bin10001000001100101…
…01011100010010110
3212120222200201210000
420200302223202112
5122204330403110
64110543512130
7442333330500
oct104062534226
925528621700
109140091030
113970385744
121930bb8646
13b287bcbb5
14629c80d70
153876501c0
hex220cab896

9140091030 has 240 divisors, whose sum is σ = 28709507376. Its totient is φ = 2080391040.

The previous prime is 9140090963. The next prime is 9140091043. The reversal of 9140091030 is 301900419.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 9140090985 and 9140091003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 16709217 + ... + 16709763.

Almost surely, 29140091030 is an apocalyptic number.

9140091030 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9140091030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14354753688).

9140091030 is an abundant number, since it is smaller than the sum of its proper divisors (19569416346).

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

9140091030 is a wasteful number, since it uses less digits than its factorization.

9140091030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 9140091030 is about 95603.8233022090. The cubic root of 9140091030 is about 2090.8209369336.

Adding to 9140091030 its reverse (301900419), we get a palindrome (9441991449).

The spelling of 9140091030 in words is "nine billion, one hundred forty million, ninety-one thousand, thirty".