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12501515014016 = 27713952583721
BaseRepresentation
bin1011010111101011110001…
…0111001000111110000000
31122021010121002001111120012
42311322330113020332000
53114311100320422031
642331041113204052
72430130124211350
oct265727427107600
948233532044505
1012501515014016
113a8a9543477a6
12149aa64100628
136c8b70688752
143131100d2b60
1516a2d6a66b2b
hexb5ebc5c8f80

12501515014016 has 32 divisors (see below), whose sum is σ = 28463270792880. Its totient is φ = 5357792148480.

The previous prime is 12501515013983. The next prime is 12501515014069. The reversal of 12501515014016 is 61041051510521.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6976290965 + ... + 6976292756.

Almost surely, 212501515014016 is an apocalyptic number.

12501515014016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12501515014016 is an abundant number, since it is smaller than the sum of its proper divisors (15961755778864).

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

12501515014016 is an equidigital number, since it uses as much as digits as its factorization.

12501515014016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952583742 (or 13952583730 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 12501515014016 its reverse (61041051510521), we get a palindrome (73542566524537).

The spelling of 12501515014016 in words is "twelve trillion, five hundred one billion, five hundred fifteen million, fourteen thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 13952583721 27905167442 55810334884 97668086047 111620669768 195336172094 223241339536 390672344188 446482679072 781344688376 892965358144 1562689376752 1785930716288 3125378753504 6250757507008 12501515014016