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12746452550040 = 23325119733183517
BaseRepresentation
bin1011100101111100001111…
…0001101100000110011000
31200010112211012020112122200
42321133003301230012120
53132314213323100130
643035350042450200
72453620656005046
oct271370361540630
950115735215580
1012746452550040
11407481618a920
12151a421203960
13715ca6988411
14320d08423396
151718701db760
hexb97c3c6c198

12746452550040 has 192 divisors, whose sum is σ = 45657866086560. Its totient is φ = 3058192834560.

The previous prime is 12746452550021. The next prime is 12746452550113. The reversal of 12746452550040 is 4005525464721.

12746452550040 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 6 + 4 + 52 + 550 + 0 + 40 = 666.

12746452550040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127464525500402 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16207639 + ... + 16975878.

Almost surely, 212746452550040 is an apocalyptic number.

12746452550040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12746452550040 is an abundant number, since it is smaller than the sum of its proper divisors (32911413536520).

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

12746452550040 is a wasteful number, since it uses less digits than its factorization.

12746452550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33183642 (or 33183635 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The spelling of 12746452550040 in words is "twelve trillion, seven hundred forty-six billion, four hundred fifty-two million, five hundred fifty thousand, forty".