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145746397386 = 2334362767613
BaseRepresentation
bin1000011110111100101…
…0011000100011001010
3111221012022120010001000
42013233022120203022
54341442034204021
6150542135035430
713346505636312
oct2075712304312
9457168503030
10145746397386
11568a1050597
12242b620bb76
1310989256635
1470a88a4442
153bd0462b26
hex21ef2988ca

145746397386 has 32 divisors (see below), whose sum is σ = 331413001920. Its totient is φ = 47452314672.

The previous prime is 145746397373. The next prime is 145746397393. The reversal of 145746397386 is 683793647541.

It is a happy number.

145746397386 is a `hidden beast` number, since 1 + 4 + 5 + 7 + 463 + 97 + 3 + 86 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31381485 + ... + 31386128.

It is an arithmetic number, because the mean of its divisors is an integer number (10356656310).

Almost surely, 2145746397386 is an apocalyptic number.

145746397386 is an abundant number, since it is smaller than the sum of its proper divisors (185666604534).

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

145746397386 is a wasteful number, since it uses less digits than its factorization.

145746397386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62767667 (or 62767661 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 145746397386 in words is "one hundred forty-five billion, seven hundred forty-six million, three hundred ninety-seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 62767613 125535226 188302839 376605678 564908517 1129817034 1694725551 2699007359 3389451102 5398014718 8097022077 16194044154 24291066231 48582132462 72873198693 145746397386