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7668973438 = 272701911149
BaseRepresentation
bin1110010010001101…
…10011111101111110
3201210110112012211021
413021012303331332
5111201224122223
63304552414354
7361021125100
oct71106637576
921713465737
107668973438
113285a32285
1215a03a73ba
13952aa1009
1452a739570
152ed40d65d
hex1c91b3f7e

7668973438 has 24 divisors (see below), whose sum is σ = 13384683000. Its totient is φ = 3285939888.

The previous prime is 7668973423. The next prime is 7668973441. The reversal of 7668973438 is 8343798667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682288 + ... + 693436.

It is an arithmetic number, because the mean of its divisors is an integer number (557695125).

Almost surely, 27668973438 is an apocalyptic number.

7668973438 is a deficient number, since it is larger than the sum of its proper divisors (5715709562).

7668973438 is a wasteful number, since it uses less digits than its factorization.

7668973438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184 (or 18177 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The square root of 7668973438 is about 87572.6751789621. The cubic root of 7668973438 is about 1972.0249766430.

The spelling of 7668973438 in words is "seven billion, six hundred sixty-eight million, nine hundred seventy-three thousand, four hundred thirty-eight".

Divisors: 1 2 7 14 49 98 7019 11149 14038 22298 49133 78043 98266 156086 343931 546301 687862 1092602 78254831 156509662 547783817 1095567634 3834486719 7668973438