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148820609420 = 22573134290463
BaseRepresentation
bin1000101010011001100…
…1100100100110001100
3112020010120020021010222
42022212121210212030
54414241034000140
6152211154050512
713515625210520
oct2124631444614
9466116207128
10148820609420
115812939959a
1224a13879a38
1311059122902
1472baca7d80
153d102b55b5
hex22a666498c

148820609420 has 48 divisors (see below), whose sum is σ = 368691068928. Its totient is φ = 49378265280.

The previous prime is 148820609393. The next prime is 148820609471. The reversal of 148820609420 is 24906028841.

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, 17140892 + ... + 17149571.

It is an arithmetic number, because the mean of its divisors is an integer number (7681063936).

Almost surely, 2148820609420 is an apocalyptic number.

148820609420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148820609420 is an abundant number, since it is smaller than the sum of its proper divisors (219870459508).

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

148820609420 is a wasteful number, since it uses less digits than its factorization.

148820609420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290510 (or 34290508 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 148820609420 in words is "one hundred forty-eight billion, eight hundred twenty million, six hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 34290463 68580926 137161852 171452315 240033241 342904630 480066482 685809260 960132964 1063004353 1200166205 2126008706 2400332410 4252017412 4800664820 5315021765 7441030471 10630043530 14882060942 21260087060 29764121884 37205152355 74410304710 148820609420