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1098075280668 = 223471946941987
BaseRepresentation
bin11111111101010100110…
…00110001010100011100
310212222022202100220011120
433332222120301110130
5120442324232440133
62200240540050540
7142222220611632
oct17765230612434
93788282326146
101098075280668
11393766961963
12158993233a50
137c7180cb1b2
143b20ba07352
151d86ba0dab3
hexffaa63151c

1098075280668 has 24 divisors (see below), whose sum is σ = 2616690031872. Its totient is φ = 358237325424.

The previous prime is 1098075280667. The next prime is 1098075280669. The reversal of 1098075280668 is 8660825708901.

It is an interprime number because it is at equal distance from previous prime (1098075280667) and next prime (1098075280669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098075280667) 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, 973470430 + ... + 973471557.

It is an arithmetic number, because the mean of its divisors is an integer number (109028751328).

Almost surely, 21098075280668 is an apocalyptic number.

It is an amenable number.

1098075280668 is an abundant number, since it is smaller than the sum of its proper divisors (1518614751204).

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

1098075280668 is a wasteful number, since it uses less digits than its factorization.

1098075280668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946942041 (or 1946942039 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 1098075280668 in words is "one trillion, ninety-eight billion, seventy-five million, two hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 1946941987 3893883974 5840825961 7787767948 11681651922 23363303844 91506273389 183012546778 274518820167 366025093556 549037640334 1098075280668