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131124314500 = 2253389674161
BaseRepresentation
bin111101000011110011…
…1100100000110000100
3110112110021112100011121
41322013213210012010
54122020311031000
6140123201043324
712321245166124
oct1720747440604
9415407470147
10131124314500
1150678291273
12214b5326544
13c498ab969a
1464bc936c84
1536268edb1a
hex1e879e4184

131124314500 has 48 divisors (see below), whose sum is σ = 287112112560. Its totient is φ = 52314816000.

The previous prime is 131124314483. The next prime is 131124314513. The reversal of 131124314500 is 5413421131.

It can be written as a sum of positive squares in 8 ways, for example, as 101567140416 + 29557174084 = 318696^2 + 171922^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142581 + ... + 531580.

It is an arithmetic number, because the mean of its divisors is an integer number (5981502345).

Almost surely, 2131124314500 is an apocalyptic number.

131124314500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131124314500 is an abundant number, since it is smaller than the sum of its proper divisors (155987798060).

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

131124314500 is a wasteful number, since it uses less digits than its factorization.

131124314500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674569 (or 674557 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131124314500 its reverse (5413421131), we get a palindrome (136537735631).

The spelling of 131124314500 in words is "one hundred thirty-one billion, one hundred twenty-four million, three hundred fourteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 389 500 778 1556 1945 3890 7780 9725 19450 38900 48625 97250 194500 674161 1348322 2696644 3370805 6741610 13483220 16854025 33708050 67416100 84270125 168540250 262248629 337080500 524497258 1048994516 1311243145 2622486290 5244972580 6556215725 13112431450 26224862900 32781078625 65562157250 131124314500