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11103001240 = 2351716327943
BaseRepresentation
bin10100101011100101…
…00101101010011000
31001122210020220101011
422111302211222120
5140214332014430
65033423503304
7542066645002
oct122562455230
931583226334
1011103001240
11478839a191
12219a457b34
13107c37c226
14774843372
1544eb3822a
hex295ca5a98

11103001240 has 32 divisors (see below), whose sum is σ = 26451269280. Its totient is φ = 4179953152.

The previous prime is 11103001237. The next prime is 11103001313. The reversal of 11103001240 is 4210030111.

It is a self number, because there is not a number n which added to its sum of digits gives 11103001240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8163292 + ... + 8164651.

It is an arithmetic number, because the mean of its divisors is an integer number (826602165).

Almost surely, 211103001240 is an apocalyptic number.

11103001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103001240 is an abundant number, since it is smaller than the sum of its proper divisors (15348268040).

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

11103001240 is a wasteful number, since it uses less digits than its factorization.

11103001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327971 (or 16327967 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11103001240 its reverse (4210030111), we get a palindrome (15313031351).

The spelling of 11103001240 in words is "eleven billion, one hundred three million, one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 16327943 32655886 65311772 81639715 130623544 163279430 277575031 326558860 555150062 653117720 1110300124 1387875155 2220600248 2775750310 5551500620 11103001240