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1718424972 = 2232114339457
BaseRepresentation
bin110011001101101…
…0001010110001100
311102202112000220100
41212123101112030
512004404044342
6442303451100
760404241225
oct14633212614
94382460810
101718424972
11802008130
123bb5b6a90
1321502ab14
1412432024c
15a0ce2e4c
hex666d158c

1718424972 has 36 divisors (see below), whose sum is σ = 4738688136. Its totient is φ = 520734720.

The previous prime is 1718424971. The next prime is 1718424997. The reversal of 1718424972 is 2794248171.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1718424971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169333 + ... + 2170124.

It is an arithmetic number, because the mean of its divisors is an integer number (131630226).

Almost surely, 21718424972 is an apocalyptic number.

1718424972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1718424972 is an abundant number, since it is smaller than the sum of its proper divisors (3020263164).

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

1718424972 is a wasteful number, since it uses less digits than its factorization.

1718424972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339478 (or 4339473 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 1718424972 is about 41453.8897089284. The cubic root of 1718424972 is about 1197.7794518394.

The spelling of 1718424972 in words is "one billion, seven hundred eighteen million, four hundred twenty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 4339457 8678914 13018371 17357828 26036742 39055113 47734027 52073484 78110226 95468054 143202081 156220452 190936108 286404162 429606243 572808324 859212486 1718424972