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131330051458 = 2471397128207
BaseRepresentation
bin111101001001111100…
…0011000110110000010
3110112222121122212012221
41322103320120312002
54122430443121313
6140155430441254
712326324006254
oct1722370306602
9415877585187
10131330051458
1150773432511
122155220322a
13c4cc602028
1464dbdadcd4
1536399dcc8d
hex1e93e18d82

131330051458 has 8 divisors (see below), whose sum is σ = 201186461952. Its totient is φ = 64267897476.

The previous prime is 131330051441. The next prime is 131330051459. The reversal of 131330051458 is 854150033131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131330051459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698564010 + ... + 698564197.

It is an arithmetic number, because the mean of its divisors is an integer number (25148307744).

Almost surely, 2131330051458 is an apocalyptic number.

131330051458 is a deficient number, since it is larger than the sum of its proper divisors (69856410494).

131330051458 is a wasteful number, since it uses less digits than its factorization.

131330051458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397128256.

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

Adding to 131330051458 its reverse (854150033131), we get a palindrome (985480084589).

The spelling of 131330051458 in words is "one hundred thirty-one billion, three hundred thirty million, fifty-one thousand, four hundred fifty-eight".

Divisors: 1 2 47 94 1397128207 2794256414 65665025729 131330051458