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5021881428 = 2231607260417
BaseRepresentation
bin1001010110101001…
…11101010001010100
3110221222120000020110
410223110331101110
540241100201203
62150152203020
7235306200504
oct45324752124
913858500213
105021881428
1121477a2933
12b81999470
13620550495
14358d59a04
151e5d29d03
hex12b53d454

5021881428 has 24 divisors (see below), whose sum is σ = 11725060032. Its totient is φ = 1672912384.

The previous prime is 5021881409. The next prime is 5021881439. The reversal of 5021881428 is 8241881205.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 110925 + ... + 149492.

It is an arithmetic number, because the mean of its divisors is an integer number (488544168).

Almost surely, 25021881428 is an apocalyptic number.

It is an amenable number.

5021881428 is an abundant number, since it is smaller than the sum of its proper divisors (6703178604).

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

5021881428 is a wasteful number, since it uses less digits than its factorization.

5021881428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262031 (or 262029 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 5021881428 is about 70865.2342689982. The cubic root of 5021881428 is about 1712.4667643966.

The spelling of 5021881428 in words is "five billion, twenty-one million, eight hundred eighty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1607 3214 4821 6428 9642 19284 260417 520834 781251 1041668 1562502 3125004 418490119 836980238 1255470357 1673960476 2510940714 5021881428