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9017944972 = 222398021141
BaseRepresentation
bin10000110011000001…
…01110101110001100
3212021110212001212221
420121200232232030
5121432043214342
64050501505124
7436321160521
oct103140565614
925243761787
109017944972
113908438593
1218b81121a4
13b093c421a
14617967148
1537ba73a67
hex21982eb8c

9017944972 has 12 divisors (see below), whose sum is σ = 16467551856. Its totient is φ = 4312930160.

The previous prime is 9017944961. The next prime is 9017944973. The reversal of 9017944972 is 2794497109.

It is not an unprimeable number, because it can be changed into a prime (9017944973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49010479 + ... + 49010662.

It is an arithmetic number, because the mean of its divisors is an integer number (1372295988).

Almost surely, 29017944972 is an apocalyptic number.

9017944972 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9017944972 is a deficient number, since it is larger than the sum of its proper divisors (7449606884).

9017944972 is a wasteful number, since it uses less digits than its factorization.

9017944972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98021168 (or 98021166 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 9017944972 is about 94962.8610141881. The cubic root of 9017944972 is about 2081.4653884143.

The spelling of 9017944972 in words is "nine billion, seventeen million, nine hundred forty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 23 46 92 98021141 196042282 392084564 2254486243 4508972486 9017944972