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11241100240 = 2453710934841
BaseRepresentation
bin10100111100000010…
…11001001111010000
31002000102010001120221
422132001121033100
5141010210201430
65055235442424
7545364526666
oct123601311720
932012101527
1011241100240
114849342a97
122218756414
1310a1b72206
14788d10c36
1545bd1657a
hex29e0593d0

11241100240 has 80 divisors (see below), whose sum is σ = 27088958160. Its totient is φ = 4334653440.

The previous prime is 11241100237. The next prime is 11241100249. The reversal of 11241100240 is 4200114211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39841344 + 11201258896 = 6312^2 + 105836^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11241100249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305220 + ... + 340060.

It is an arithmetic number, because the mean of its divisors is an integer number (338611977).

Almost surely, 211241100240 is an apocalyptic number.

11241100240 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 11241100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13544479080).

11241100240 is an abundant number, since it is smaller than the sum of its proper divisors (15847857920).

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

11241100240 is a wasteful number, since it uses less digits than its factorization.

11241100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35000 (or 34994 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11241100240 its reverse (4200114211), we get a palindrome (15441214451).

The spelling of 11241100240 in words is "eleven billion, two hundred forty-one million, one hundred thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 37 40 74 80 109 148 185 218 296 370 436 545 592 740 872 1090 1480 1744 2180 2960 4033 4360 8066 8720 16132 20165 32264 34841 40330 64528 69682 80660 139364 161320 174205 278728 322640 348410 557456 696820 1289117 1393640 2578234 2787280 3797669 5156468 6445585 7595338 10312936 12891170 15190676 18988345 20625872 25782340 30381352 37976690 51564680 60762704 75953380 103129360 140513753 151906760 281027506 303813520 562055012 702568765 1124110024 1405137530 2248220048 2810275060 5620550120 11241100240