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131011125470 = 2523569613589
BaseRepresentation
bin111101000000011011…
…1110010000011011110
3110112011101112202000022
41322000313302003132
54121302322003340
6140104035032142
712315402123011
oct1720067620336
9415141482008
10131011125470
115061a401715
122148343b652
13c47b508924
1464ab8b1378
15361b9e13b5
hex1e80df20de

131011125470 has 16 divisors (see below), whose sum is σ = 246073070880. Its totient is φ = 50125995744.

The previous prime is 131011125461. The next prime is 131011125499. The reversal of 131011125470 is 74521110131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284806565 + ... + 284807024.

It is an arithmetic number, because the mean of its divisors is an integer number (15379566930).

Almost surely, 2131011125470 is an apocalyptic number.

131011125470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131011125470 is a deficient number, since it is larger than the sum of its proper divisors (115061945410).

131011125470 is a wasteful number, since it uses less digits than its factorization.

131011125470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569613619.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 131011125470 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 569613589 1139227178 2848067945 5696135890 13101112547 26202225094 65505562735 131011125470