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131488536382 = 2721072117191
BaseRepresentation
bin111101001110101010…
…0111101011100111110
3110120101122212201122221
41322131110331130332
54123242031131012
6140223251355554
712333260055400
oct1723524753476
9416348781587
10131488536382
115084493a595
12215972b2bba
13c5263b1ca8
146515066b70
153648896507
hex1e9d53d73e

131488536382 has 36 divisors (see below), whose sum is σ = 231600338424. Its totient is φ = 55825097160.

The previous prime is 131488536353. The next prime is 131488536383. The reversal of 131488536382 is 283635884131.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131488536383) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1063407 + ... + 1180597.

It is an arithmetic number, because the mean of its divisors is an integer number (6433342734).

Almost surely, 2131488536382 is an apocalyptic number.

131488536382 is a deficient number, since it is larger than the sum of its proper divisors (100111802042).

131488536382 is a wasteful number, since it uses less digits than its factorization.

131488536382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117421 (or 117307 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 131488536382 in words is "one hundred thirty-one billion, four hundred eighty-eight million, five hundred thirty-six thousand, three hundred eighty-two".

Divisors: 1 2 7 14 49 98 107 214 749 1498 5243 10486 11449 22898 80143 117191 160286 234382 561001 820337 1122002 1640674 5742359 11484718 12539437 25078874 87776059 175552118 614432413 1228864826 1341719759 2683439518 9392038313 18784076626 65744268191 131488536382