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834620803020 = 223254636782239
BaseRepresentation
bin11000010010100110100…
…01101100011111001100
32221210022011021202110100
430021103101230133030
5102133300411144040
61435230340211100
7114204452525544
oct14112321543714
92853264252410
10834620803020
112a1a627594a4
12115908999a90
1360920763834
142c578364324
1516a9c91cb30
hexc25346c7cc

834620803020 has 36 divisors (see below), whose sum is σ = 2531683103040. Its totient is φ = 222565547424.

The previous prime is 834620802971. The next prime is 834620803021. The reversal of 834620803020 is 20308026438.

834620803020 is a `hidden beast` number, since 8 + 3 + 4 + 620 + 8 + 0 + 3 + 0 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8346208030202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (834620803021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2318390940 + ... + 2318391299.

It is an arithmetic number, because the mean of its divisors is an integer number (70324530640).

Almost surely, 2834620803020 is an apocalyptic number.

It is an amenable number.

834620803020 is an abundant number, since it is smaller than the sum of its proper divisors (1697062300020).

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

834620803020 is a wasteful number, since it uses less digits than its factorization.

834620803020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636782254 (or 4636782249 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 834620803020 its reverse (20308026438), we get a palindrome (854928829458).

The spelling of 834620803020 in words is "eight hundred thirty-four billion, six hundred twenty million, eight hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 4636782239 9273564478 13910346717 18547128956 23183911195 27820693434 41731040151 46367822390 55641386868 69551733585 83462080302 92735644780 139103467170 166924160604 208655200755 278206934340 417310401510 834620803020