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2124428620 = 225271391961
BaseRepresentation
bin111111010100000…
…0011010101001100
312111001111011012111
41332220003111030
513322323203440
6550445513404
7103434226306
oct17650032514
95431434174
102124428620
119a0203736
124b3572864
1327b191c72
14162208976
15c67904ea
hex7ea0354c

2124428620 has 24 divisors (see below), whose sum is σ = 4477773888. Its totient is φ = 846633600.

The previous prime is 2124428617. The next prime is 2124428651. The reversal of 2124428620 is 268244212.

It is a super-2 number, since 2×21244286202 = 9026393922950208800, which contains 22 as substring.

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, 190561 + ... + 201400.

It is an arithmetic number, because the mean of its divisors is an integer number (186573912).

Almost surely, 22124428620 is an apocalyptic number.

2124428620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124428620 is an abundant number, since it is smaller than the sum of its proper divisors (2353345268).

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

2124428620 is a wasteful number, since it uses less digits than its factorization.

2124428620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392241 (or 392239 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 2124428620 is about 46091.5243835567. The cubic root of 2124428620 is about 1285.5255552840.

The spelling of 2124428620 in words is "two billion, one hundred twenty-four million, four hundred twenty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 391961 783922 1567844 1959805 3919610 7839220 106221431 212442862 424885724 531107155 1062214310 2124428620