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130412312454 = 23127171144767
BaseRepresentation
bin111100101110100101…
…1011111011110000110
3110110121122202212222110
41321131023133132012
54114041022444304
6135524404241450
712264511236324
oct1713513373606
9413548685873
10130412312454
1150342394626
12213369a0286
13c3b44373b8
146452156d14
1535d415a289
hex1e5d2df786

130412312454 has 16 divisors (see below), whose sum is σ = 262878363648. Its totient is φ = 43128481032.

The previous prime is 130412312453. The next prime is 130412312473. The reversal of 130412312454 is 454213214031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130412312453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85571622 + ... + 85573145.

It is an arithmetic number, because the mean of its divisors is an integer number (16429897728).

Almost surely, 2130412312454 is an apocalyptic number.

130412312454 is an abundant number, since it is smaller than the sum of its proper divisors (132466051194).

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

130412312454 is a wasteful number, since it uses less digits than its factorization.

130412312454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171144899.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 130412312454 its reverse (454213214031), we get a palindrome (584625526485).

The spelling of 130412312454 in words is "one hundred thirty billion, four hundred twelve million, three hundred twelve thousand, four hundred fifty-four".

Divisors: 1 2 3 6 127 254 381 762 171144767 342289534 513434301 1026868602 21735385409 43470770818 65206156227 130412312454