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2002012212210 = 23581371820117
BaseRepresentation
bin11101001000100001001…
…110100000101111110010
321002101112200011211012020
4131020201032200233302
5230300110111242320
64131413421412310
7264432505011663
oct35104116405762
97071480154166
102002012212210
1170205977968a
12284005a0a096
13116a343c619a
146cc7dc0736a
15371249a3940
hex1d2213a0bf2

2002012212210 has 32 divisors (see below), whose sum is σ = 4804894216512. Its totient is φ = 533862711360.

The previous prime is 2002012212197. The next prime is 2002012212227. The reversal of 2002012212210 is 122122102002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2002012212210.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2031072 + ... + 2851188.

It is an arithmetic number, because the mean of its divisors is an integer number (150152944266).

Almost surely, 22002012212210 is an apocalyptic number.

2002012212210 is an abundant number, since it is smaller than the sum of its proper divisors (2802882004302).

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

2002012212210 is a wasteful number, since it uses less digits than its factorization.

2002012212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901498.

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

Adding to 2002012212210 its reverse (122122102002), we get a palindrome (2124134314212).

The spelling of 2002012212210 in words is "two trillion, two billion, twelve million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 81371 162742 244113 406855 488226 813710 820117 1220565 1640234 2441130 2460351 4100585 4920702 8201170 12301755 24603510 66733740407 133467480814 200201221221 333668702035 400402442442 667337404070 1001006106105 2002012212210