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4020401021010 = 2351112183033397
BaseRepresentation
bin111010100000010010100…
…100110010000001010010
3112020100100122210221120220
4322200102210302001102
51011332240130133020
612314540254413510
7563315166553353
oct72402244620122
915210318727526
104020401021010
111310051623710
1254b220201296
132321785b15ba
14dc8349b3d2a
156e8a703c240
hex3a812932052

4020401021010 has 32 divisors (see below), whose sum is σ = 10526140855872. Its totient is φ = 974642671680.

The previous prime is 4020401020907. The next prime is 4020401021017. The reversal of 4020401021010 is 101201040204.

It is a super-3 number, since 3×40204010210103 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (4020401021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6091516369 + ... + 6091517028.

It is an arithmetic number, because the mean of its divisors is an integer number (328941901746).

Almost surely, 24020401021010 is an apocalyptic number.

4020401021010 is an abundant number, since it is smaller than the sum of its proper divisors (6505739834862).

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

4020401021010 is a wasteful number, since it uses less digits than its factorization.

4020401021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183033418.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 4020401021010 its reverse (101201040204), we get a palindrome (4121602061214).

The spelling of 4020401021010 in words is "four trillion, twenty billion, four hundred one million, twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 12183033397 24366066794 36549100191 60915166985 73098200382 121830333970 134013367367 182745500955 268026734734 365491001910 402040102101 670066836835 804080204202 1340133673670 2010200510505 4020401021010