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11090072500 = 225413341233
BaseRepresentation
bin10100101010000010…
…10001001110110100
31001121212221001110221
422111001101032310
5140203024310000
65032242424124
7541552026613
oct122501211664
931555831427
1011090072500
114781069681
122196062044
1310797a35a0
14772c3987a
1544d93261a
hex2950513b4

11090072500 has 60 divisors (see below), whose sum is σ = 26117367892. Its totient is φ = 4094784000.

The previous prime is 11090072491. The next prime is 11090072501. The reversal of 11090072500 is 527009011.

It can be written as a sum of positive squares in 10 ways, for example, as 10395433764 + 694638736 = 101958^2 + 26356^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090072501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138117 + ... + 203116.

Almost surely, 211090072500 is an apocalyptic number.

11090072500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11090072500 is an abundant number, since it is smaller than the sum of its proper divisors (15027295392).

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

11090072500 is a wasteful number, since it uses less digits than its factorization.

11090072500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341270 (or 341253 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The spelling of 11090072500 in words is "eleven billion, ninety million, seventy-two thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 250 260 325 500 625 650 1250 1300 1625 2500 3250 6500 8125 16250 32500 341233 682466 1364932 1706165 3412330 4436029 6824660 8530825 8872058 17061650 17744116 22180145 34123300 42654125 44360290 85308250 88720580 110900725 170616500 213270625 221801450 426541250 443602900 554503625 853082500 1109007250 2218014500 2772518125 5545036250 11090072500