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2528121190 = 257219271549
BaseRepresentation
bin1001011010110000…
…0001000101100110
320112012002212022011
42112230001011212
520134144334230
61054510224434
7116435450500
oct22654010546
96465085264
102528121190
111088070961
125a67b511a
133139c71ca
1419da90d70
15ebe32e2a
hex96b01166

2528121190 has 48 divisors (see below), whose sum is σ = 5572206000. Its totient is φ = 821161152.

The previous prime is 2528121173. The next prime is 2528121229. The reversal of 2528121190 is 911218252.

It is a super-2 number, since 2×25281211902 = 12782793502654032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126465 + ... + 145084.

It is an arithmetic number, because the mean of its divisors is an integer number (116087625).

Almost surely, 22528121190 is an apocalyptic number.

2528121190 is an abundant number, since it is smaller than the sum of its proper divisors (3044084810).

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

2528121190 is a wasteful number, since it uses less digits than its factorization.

2528121190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271589 (or 271582 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 2528121190 is about 50280.4255153037. The cubic root of 2528121190 is about 1362.2786896389.

The spelling of 2528121190 in words is "two billion, five hundred twenty-eight million, one hundred twenty-one thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 271549 543098 1357745 1900843 2715490 3801686 5159431 9504215 10318862 13305901 19008430 25797155 26611802 36116017 51594310 66529505 72232034 133059010 180580085 252812119 361160170 505624238 1264060595 2528121190