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146682398969 = 233629538193
BaseRepresentation
bin1000100010011011110…
…0111100100011111001
3112000121112210220211022
42020212330330203321
54400401143231334
6151215052512225
713411632551021
oct2104674744371
9460545726738
10146682398969
1157231432417
122451777b675
1310aa8146922
147156d12a81
153c3770182e
hex2226f3c8f9

146682398969 has 4 divisors (see below), whose sum is σ = 147311937396. Its totient is φ = 146052860544.

The previous prime is 146682398903. The next prime is 146682399023. The reversal of 146682398969 is 969893286641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969893286641 = 1757052546273.

It can be written as a sum of positive squares in 2 ways, for example, as 63789079225 + 82893319744 = 252565^2 + 287912^2 .

It is a cyclic number.

It is not a de Polignac number, because 146682398969 - 28 = 146682398713 is a prime.

It is a super-2 number, since 2×1466823989692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146685398969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314768864 + ... + 314769329.

It is an arithmetic number, because the mean of its divisors is an integer number (36827984349).

Almost surely, 2146682398969 is an apocalyptic number.

It is an amenable number.

146682398969 is a deficient number, since it is larger than the sum of its proper divisors (629538427).

146682398969 is an equidigital number, since it uses as much as digits as its factorization.

146682398969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629538426.

The product of its digits is 241864704, while the sum is 71.

The spelling of 146682398969 in words is "one hundred forty-six billion, six hundred eighty-two million, three hundred ninety-eight thousand, nine hundred sixty-nine".

Divisors: 1 233 629538193 146682398969