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146705980220 = 22519386068369
BaseRepresentation
bin1000100010100001011…
…0111001101100111100
3112000200012011222012222
42020220112321230330
54400423212331340
6151221254144512
713412340154022
oct2105026715474
9460605158188
10146705980220
1157243779358
1224523652138
1310aaccb2127
14715a0d0712
153c3980d8b5
hex22285b9b3c

146705980220 has 24 divisors (see below), whose sum is σ = 324297430800. Its totient is φ = 55593844992.

The previous prime is 146705980207. The next prime is 146705980247. The reversal of 146705980220 is 22089507641.

It is a happy number.

It is a super-2 number, since 2×1467059802202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193033805 + ... + 193034564.

It is an arithmetic number, because the mean of its divisors is an integer number (13512392950).

Almost surely, 2146705980220 is an apocalyptic number.

146705980220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146705980220 is an abundant number, since it is smaller than the sum of its proper divisors (177591450580).

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

146705980220 is a wasteful number, since it uses less digits than its factorization.

146705980220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386068397 (or 386068395 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 146705980220 in words is "one hundred forty-six billion, seven hundred five million, nine hundred eighty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 386068369 772136738 1544273476 1930341845 3860683690 7335299011 7721367380 14670598022 29341196044 36676495055 73352990110 146705980220