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9042694290 = 23257611671409
BaseRepresentation
bin10000110101111110…
…01001000010010010
3212100012102110120100
420122333021002102
5122004412204130
64053144153230
7440041430130
oct103277110222
925305373510
109042694290
113920402073
121904468816
13b1157b2a6
1461ad6a750
1537dd11c60
hex21afc9092

9042694290 has 192 divisors, whose sum is σ = 27493240320. Its totient is φ = 2019409920.

The previous prime is 9042694277. The next prime is 9042694313. The reversal of 9042694290 is 924962409.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6417106 + ... + 6418514.

It is an arithmetic number, because the mean of its divisors is an integer number (143193960).

Almost surely, 29042694290 is an apocalyptic number.

9042694290 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 9042694290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13746620160).

9042694290 is an abundant number, since it is smaller than the sum of its proper divisors (18450546030).

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

9042694290 is a wasteful number, since it uses less digits than its factorization.

9042694290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 9042694290 is about 95093.0822405079. The cubic root of 9042694290 is about 2083.3678097903.

The spelling of 9042694290 in words is "nine billion, forty-two million, six hundred ninety-four thousand, two hundred ninety".