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121130343130 = 2561421471673
BaseRepresentation
bin111000011001111101…
…1100101101011011010
3102120122210002222202211
41300303323211223122
53441033331440010
6131351351345334
711515502633266
oct1606373455332
9376583088684
10121130343130
1147409a146a5
121b58638224a
13b565430264
145c115030a6
15323e33208a
hex1c33ee5ada

121130343130 has 32 divisors (see below), whose sum is σ = 222135813648. Its totient is φ = 47544537600.

The previous prime is 121130343101. The next prime is 121130343227. The reversal of 121130343130 is 31343031121.

It can be written as a sum of positive squares in 8 ways, for example, as 13612588929 + 107517754201 = 116673^2 + 327899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20974 + ... + 492646.

Almost surely, 2121130343130 is an apocalyptic number.

121130343130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130343130 is a deficient number, since it is larger than the sum of its proper divisors (101005470518).

121130343130 is a wasteful number, since it uses less digits than its factorization.

121130343130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472162.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121130343130 its reverse (31343031121), we get a palindrome (152473374251).

The spelling of 121130343130 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 61 122 305 421 610 842 2105 4210 25681 51362 128405 256810 471673 943346 2358365 4716730 28772053 57544106 143860265 198574333 287720530 397148666 992871665 1985743330 12113034313 24226068626 60565171565 121130343130