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145426283818 = 2292507349721
BaseRepresentation
bin1000011101110000010…
…1001111110100101010
3111220101000012122202221
42013130011033310222
54340313112040233
6150450301544254
713335541005514
oct2073405176452
9456330178687
10145426283818
1156747389522
1224226b7508a
1310937b3581a
147078176bb4
153bb22ce42d
hex21dc14fd2a

145426283818 has 8 divisors (see below), whose sum is σ = 225661474980. Its totient is φ = 70205792160.

The previous prime is 145426283813. The next prime is 145426283837. The reversal of 145426283818 is 818382624541.

145426283818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138225573369 + 7200710449 = 371787^2 + 84857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1454262838183 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (145426283813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1253674803 + ... + 1253674918.

Almost surely, 2145426283818 is an apocalyptic number.

145426283818 is a deficient number, since it is larger than the sum of its proper divisors (80235191162).

145426283818 is a wasteful number, since it uses less digits than its factorization.

145426283818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507349752.

The product of its digits is 2949120, while the sum is 52.

The spelling of 145426283818 in words is "one hundred forty-five billion, four hundred twenty-six million, two hundred eighty-three thousand, eight hundred eighteen".

Divisors: 1 2 29 58 2507349721 5014699442 72713141909 145426283818