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2528063988 = 2231319159721
BaseRepresentation
bin1001011010101111…
…0011000111110100
320112011222221211120
42112223303013310
520134141021423
61054505103540
7116435121642
oct22653630764
96464887746
102528063988
11108803198a
125a6787bb0
133139a7168
1419da78192
15ebe20ee3
hex96af31f4

2528063988 has 24 divisors (see below), whose sum is σ = 5903325120. Its totient is φ = 842043840.

The previous prime is 2528063969. The next prime is 2528064047. The reversal of 2528063988 is 8893608252.

It is a super-2 number, since 2×25280639882 = 12782215054844928288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2528063988.

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, 64033 + ... + 95688.

It is an arithmetic number, because the mean of its divisors is an integer number (245971880).

Almost surely, 22528063988 is an apocalyptic number.

It is an amenable number.

2528063988 is an abundant number, since it is smaller than the sum of its proper divisors (3375261132).

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

2528063988 is a wasteful number, since it uses less digits than its factorization.

2528063988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161047 (or 161045 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 2528063988 is about 50279.8566823733. The cubic root of 2528063988 is about 1362.2684151244.

The spelling of 2528063988 in words is "two billion, five hundred twenty-eight million, sixty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1319 2638 3957 5276 7914 15828 159721 319442 479163 638884 958326 1916652 210671999 421343998 632015997 842687996 1264031994 2528063988