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2021140002 = 237149322969
BaseRepresentation
bin111100001111000…
…0010011000100010
312012212010112212010
41320132002120202
513114402440002
6532320013350
7101041256310
oct17036023042
95185115763
102021140002
11947976442
12484a61256
1326296963b
141525dd0b0
15bc68b46c
hex78782622

2021140002 has 32 divisors (see below), whose sum is σ = 4650768000. Its totient is φ = 573591168.

The previous prime is 2021139947. The next prime is 2021140027. The reversal of 2021140002 is 2000411202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021140002.

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 15 ways as a sum of consecutive naturals, for example, 155227 + ... + 167742.

It is an arithmetic number, because the mean of its divisors is an integer number (145336500).

Almost surely, 22021140002 is an apocalyptic number.

2021140002 is an abundant number, since it is smaller than the sum of its proper divisors (2629627998).

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

2021140002 is a wasteful number, since it uses less digits than its factorization.

2021140002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323130.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2021140002 is about 44957.0906754430. The cubic root of 2021140002 is about 1264.3446228408.

Adding to 2021140002 its reverse (2000411202), we get a palindrome (4021551204).

The spelling of 2021140002 in words is "two billion, twenty-one million, one hundred forty thousand, two".

Divisors: 1 2 3 6 7 14 21 42 149 298 447 894 1043 2086 3129 6258 322969 645938 968907 1937814 2260783 4521566 6782349 13564698 48122381 96244762 144367143 288734286 336856667 673713334 1010570001 2021140002