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11017571040 = 2532571957527
BaseRepresentation
bin10100100001011001…
…01100101011100000
31001102211111121011200
422100230230223200
5140030444233130
65021132441200
7540011544240
oct122054545340
931384447150
1011017571040
11474414a213
122175919200
13106776a308
14767365b20
154473b0760
hex290b2cae0

11017571040 has 288 divisors, whose sum is σ = 45230814720. Its totient is φ = 2385718272.

The previous prime is 11017571029. The next prime is 11017571041. The reversal of 11017571040 is 4017571011.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 11017570995 and 11017571013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11017571041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162757 + ... + 220283.

It is an arithmetic number, because the mean of its divisors is an integer number (157051440).

Almost surely, 211017571040 is an apocalyptic number.

11017571040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11017571040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22615407360).

11017571040 is an abundant number, since it is smaller than the sum of its proper divisors (34213243680).

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

11017571040 is a wasteful number, since it uses less digits than its factorization.

11017571040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57574 (or 57563 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The spelling of 11017571040 in words is "eleven billion, seventeen million, five hundred seventy-one thousand, forty".