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4994821880 = 2351117111791
BaseRepresentation
bin1001010011011011…
…01110111011111000
3110220002122020111222
410221231232323320
540212133300010
62143344211212
7234530166626
oct45155567370
913802566458
104994821880
1121334a0674
12b74909b08
13617a67a09
14355514516
151e3782355
hex129b6eef8

4994821880 has 32 divisors (see below), whose sum is σ = 11248511040. Its totient is φ = 1996122240.

The previous prime is 4994821879. The next prime is 4994821883. The reversal of 4994821880 is 881284994.

It is a happy number.

It is a super-2 number, since 2×49948218802 = 49896491225853468800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994821883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11216 + ... + 100575.

It is an arithmetic number, because the mean of its divisors is an integer number (351515970).

Almost surely, 24994821880 is an apocalyptic number.

4994821880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4994821880 is an abundant number, since it is smaller than the sum of its proper divisors (6253689160).

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

4994821880 is a wasteful number, since it uses less digits than its factorization.

4994821880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112919 (or 112915 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 4994821880 is about 70674.0537962837. The cubic root of 4994821880 is about 1709.3854454074.

The spelling of 4994821880 in words is "four billion, nine hundred ninety-four million, eight hundred twenty-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1117 2234 4468 5585 8936 11170 22340 44680 111791 223582 447164 558955 894328 1117910 2235820 4471640 124870547 249741094 499482188 624352735 998964376 1248705470 2497410940 4994821880