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4520390983680 = 21535111373881
BaseRepresentation
bin100000111000111110001…
…0011001000000000000000
3121000010220211010201012110
41001301330103020000000
51043030230042434210
613340350002455320
7644405334246465
oct101617423100000
917003824121173
104520390983680
1114930a59559a0
126100b9964540
1326a36a626810
14118b0674366c
157c8bbd3b420
hex41c7c4c8000

4520390983680 has 1024 divisors, whose sum is σ = 17246228348160. Its totient is φ = 996566630400.

The previous prime is 4520390983639. The next prime is 4520390983699. The reversal of 4520390983680 is 863890930254.

It is a tau number, because it is divible by the number of its divisors (1024).

It is a self number, because there is not a number n which added to its sum of digits gives 4520390983680.

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 63 ways as a sum of consecutive naturals, for example, 5130976840 + ... + 5130977720.

Almost surely, 24520390983680 is an apocalyptic number.

4520390983680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520390983680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8623114174080).

4520390983680 is an abundant number, since it is smaller than the sum of its proper divisors (12725837364480).

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

4520390983680 is a wasteful number, since it uses less digits than its factorization.

4520390983680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 4520390983680 in words is "four trillion, five hundred twenty billion, three hundred ninety million, nine hundred eighty-three thousand, six hundred eighty".