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131503145164 = 221372419111093
BaseRepresentation
bin111101001111000110…
…0101100000011001100
3110120102200100221010221
41322132030230003030
54123304301121124
6140224532441124
712333525201526
oct1723614540314
9416380327127
10131503145164
1150852108366
12215a01791a4
13c529428541
146516d8aa16
153649ccece4
hex1e9e32c0cc

131503145164 has 48 divisors (see below), whose sum is σ = 233240870016. Its totient is φ = 64870041600.

The previous prime is 131503145129. The next prime is 131503145167. The reversal of 131503145164 is 461541305131.

It is not an unprimeable number, because it can be changed into a prime (131503145167) 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, 120313402 + ... + 120314494.

It is an arithmetic number, because the mean of its divisors is an integer number (4859184792).

Almost surely, 2131503145164 is an apocalyptic number.

It is an amenable number.

131503145164 is a deficient number, since it is larger than the sum of its proper divisors (101737724852).

131503145164 is a wasteful number, since it uses less digits than its factorization.

131503145164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 131503145164 in words is "one hundred thirty-one billion, five hundred three million, one hundred forty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 137 241 274 482 548 911 964 1093 1822 2186 3644 4372 33017 66034 124807 132068 149741 219551 249614 263413 299482 439102 499228 526826 598964 878204 995723 1053652 1991446 3982892 30078487 36087581 60156974 72175162 120313948 136414051 144350324 239969243 272828102 479938486 545656204 959876972 32875786291 65751572582 131503145164