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9984466157 = 73891536781
BaseRepresentation
bin10010100110001111…
…01101110011101101
3221202211112102200212
421103013231303231
5130422010404112
64330425432205
7502265363531
oct112307556355
927684472625
109984466157
114263a75226
121b2793b665
13c3170bb53
146aa07bbc1
153d6840522
hex2531edced

9984466157 has 8 divisors (see below), whose sum is σ = 10234968120. Its totient is φ = 9737038080.

The previous prime is 9984466147. The next prime is 9984466183. The reversal of 9984466157 is 7516644899.

It can be written as a sum of positive squares in 4 ways, for example, as 86007076 + 9898459081 = 9274^2 + 99491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9984466157 - 28 = 9984465901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9984466096 and 9984466105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984466127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761894 + ... + 774887.

It is an arithmetic number, because the mean of its divisors is an integer number (1279371015).

Almost surely, 29984466157 is an apocalyptic number.

It is an amenable number.

9984466157 is a deficient number, since it is larger than the sum of its proper divisors (250501963).

9984466157 is a wasteful number, since it uses less digits than its factorization.

9984466157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536943.

The product of its digits is 13063680, while the sum is 59.

The square root of 9984466157 is about 99922.3005990154. The cubic root of 9984466157 is about 2153.3185568967.

The spelling of 9984466157 in words is "nine billion, nine hundred eighty-four million, four hundred sixty-six thousand, one hundred fifty-seven".

Divisors: 1 73 89 6497 1536781 112185013 136773509 9984466157