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12800450922152 = 2315712049845833
BaseRepresentation
bin1011101001000101011001…
…0101001000011010101000
31200022201012102201001200112
42322101112111020122220
53134210310414002102
643120240155153452
72460542051414255
oct272212625103250
950281172631615
1012800450922152
114095705925033
121528991145888
1371b100bc98aa
1432378bba242c
15172e80ad4252
hexba4565486a8

12800450922152 has 32 divisors (see below), whose sum is σ = 24155750289000. Its totient is φ = 6358924376064.

The previous prime is 12800450922139. The next prime is 12800450922179. The reversal of 12800450922152 is 25122905400821.

It can be written as a sum of positive squares in 4 ways, for example, as 7462807730596 + 5337643191556 = 2731814^2 + 2310334^2 .

It is a super-2 number, since 2×128004509221522 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14710628 + ... + 15556460.

Almost surely, 212800450922152 is an apocalyptic number.

It is an amenable number.

12800450922152 is a deficient number, since it is larger than the sum of its proper divisors (11355299366848).

12800450922152 is a wasteful number, since it uses less digits than its factorization.

12800450922152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858045 (or 858041 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 12800450922152 in words is "twelve trillion, eight hundred billion, four hundred fifty million, nine hundred twenty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 157 314 628 1256 12049 24098 48196 96392 845833 1691666 1891693 3383332 3783386 6766664 7566772 15133544 132795781 265591562 531183124 1062366248 10191441817 20382883634 40765767268 81531534536 1600056365269 3200112730538 6400225461076 12800450922152