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11224871380 = 2257110773877
BaseRepresentation
bin10100111010000110…
…11111000111010100
31001222021120112210001
422131003133013110
5140442031341010
65053455541044
7545106555352
oct123503370724
931867515701
1011224871380
114840169008
12221322a784
13109b6ac438
14786ac87d2
1545a6acc3a
hex29d0df1d4

11224871380 has 48 divisors (see below), whose sum is σ = 24127963776. Its totient is φ = 4385279360.

The previous prime is 11224871369. The next prime is 11224871381. The reversal of 11224871380 is 8317842211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224871381) 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, 115002 + ... + 188878.

It is an arithmetic number, because the mean of its divisors is an integer number (502665912).

Almost surely, 211224871380 is an apocalyptic number.

11224871380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224871380 is an abundant number, since it is smaller than the sum of its proper divisors (12903092396).

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

11224871380 is a wasteful number, since it uses less digits than its factorization.

11224871380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74064 (or 74062 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 11224871380 in words is "eleven billion, two hundred twenty-four million, eight hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 71 107 142 214 284 355 428 535 710 1070 1420 2140 7597 15194 30388 37985 73877 75970 147754 151940 295508 369385 738770 1477540 5245267 7904839 10490534 15809678 20981068 26226335 31619356 39524195 52452670 79048390 104905340 158096780 561243569 1122487138 2244974276 2806217845 5612435690 11224871380