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4999879353680 = 245559011118021
BaseRepresentation
bin100100011000010000000…
…0010000110010101010000
3122200222120012002122202222
41020300200002012111100
51123404223103304210
614344525102400212
71024141446166451
oct110604002062520
918628505078688
104999879353680
111658489604162
12689015590068
132a36430a2103
14133dd173d128
158a0d1d3e655
hex48c20086550

4999879353680 has 40 divisors (see below), whose sum is σ = 11624937846984. Its totient is φ = 1999914176000.

The previous prime is 4999879353673. The next prime is 4999879353683. The reversal of 4999879353680 is 863539789994.

It is a Cunningham number, because it is equal to 22360412-1.

It can be written as a sum of positive squares in 4 ways, for example, as 2417738888464 + 2582140465216 = 1554908^2 + 1606904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×49998793536803 (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (80).

It is a junction number, because it is equal to n+sod(n) for n = 4999879353595 and 4999879353604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999879353683) 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, 3913070 + ... + 5031090.

Almost surely, 24999879353680 is an apocalyptic number.

4999879353680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4999879353680 is an abundant number, since it is smaller than the sum of its proper divisors (6625058493304).

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

4999879353680 is a wasteful number, since it uses less digits than its factorization.

4999879353680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173935 (or 1173929 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 80.

The spelling of 4999879353680 in words is "four trillion, nine hundred ninety-nine billion, eight hundred seventy-nine million, three hundred fifty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 55901 111802 223604 279505 447208 559010 894416 1118020 1118021 2236040 2236042 4472080 4472084 5590105 8944168 11180210 17888336 22360420 44720840 89441680 62498491921 124996983842 249993967684 312492459605 499987935368 624984919210 999975870736 1249969838420 2499939676840 4999879353680