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131030110450 = 2522620602209
BaseRepresentation
bin111101000001000000…
…0001101000011110010
3110112012201021021111201
41322002000031003302
54121322202013300
6140105554001414
712316022363551
oct1720200150362
9415181237451
10131030110450
115062a099388
122148987626a
13c482425045
1464b0213d98
15361d4e166a
hex1e8200d0f2

131030110450 has 12 divisors (see below), whose sum is σ = 243716005530. Its totient is φ = 52412044160.

The previous prime is 131030110441. The next prime is 131030110451. The reversal of 131030110450 is 54011030131.

It can be written as a sum of positive squares in 3 ways, for example, as 107217608481 + 23812501969 = 327441^2 + 154313^2 .

It is not an unprimeable number, because it can be changed into a prime (131030110451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1310301055 + ... + 1310301154.

Almost surely, 2131030110450 is an apocalyptic number.

131030110450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131030110450 is a deficient number, since it is larger than the sum of its proper divisors (112685895080).

131030110450 is a wasteful number, since it uses less digits than its factorization.

131030110450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620602221 (or 2620602216 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 131030110450 its reverse (54011030131), we get a palindrome (185041140581).

The spelling of 131030110450 in words is "one hundred thirty-one billion, thirty million, one hundred ten thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2620602209 5241204418 13103011045 26206022090 65515055225 131030110450