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131532036790 = 25711362347149
BaseRepresentation
bin111101001111111101…
…0111001101010110110
3110120111200201210000011
41322133322321222312
54123334200134130
6140231444010434
712334325602630
oct1723772715266
9416450653004
10131532036790
1150867451040
12215a9990a1a
13c532402b8b
14651ab4ba50
15364c5da52a
hex1e9feb9ab6

131532036790 has 64 divisors (see below), whose sum is σ = 295266124800. Its totient is φ = 40984813440.

The previous prime is 131532036773. The next prime is 131532036803. The reversal of 131532036790 is 97630235131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2766136 + ... + 2813284.

It is an arithmetic number, because the mean of its divisors is an integer number (4613533200).

Almost surely, 2131532036790 is an apocalyptic number.

131532036790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131532036790 is an abundant number, since it is smaller than the sum of its proper divisors (163734088010).

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

131532036790 is a wasteful number, since it uses less digits than its factorization.

131532036790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50797.

The product of its (nonzero) digits is 102060, while the sum is 40.

The spelling of 131532036790 in words is "one hundred thirty-one billion, five hundred thirty-two million, thirty-six thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 3623 7246 18115 25361 36230 39853 47149 50722 79706 94298 126805 199265 235745 253610 278971 330043 398530 471490 518639 557942 660086 1037278 1394855 1650215 2593195 2789710 3300430 3630473 5186390 7260946 18152365 36304730 170820827 341641654 854104135 1195745789 1708208270 1879029097 2391491578 3758058194 5978728945 9395145485 11957457890 13153203679 18790290970 26306407358 65766018395 131532036790