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20102012212002 = 2371373978799929
BaseRepresentation
bin1001001001000010111010…
…10011000001001100100010
32122011201210210102210211220
410210201131103001030202
510113322410111241002
6110430423101515510
74143215413353450
oct444413523011442
978151723383756
1020102012212002
116450240920866
122307aa3272b96
13b2a7c4955166
144d6d2a6359d0
1524cd75a967bc
hex12485d4c1322

20102012212002 has 64 divisors (see below), whose sum is σ = 46399426110720. Its totient is φ = 5687147068416.

The previous prime is 20102012211991. The next prime is 20102012212043. The reversal of 20102012212002 is 20021221020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2115627 + ... + 6684302.

It is an arithmetic number, because the mean of its divisors is an integer number (724991032980).

Almost surely, 220102012212002 is an apocalyptic number.

20102012212002 is an abundant number, since it is smaller than the sum of its proper divisors (26297413898718).

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

20102012212002 is a wasteful number, since it uses less digits than its factorization.

20102012212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800475.

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

Adding to 20102012212002 its reverse (20021221020102), we get a palindrome (40123233232104).

The spelling of 20102012212002 in words is "twenty trillion, one hundred two billion, twelve million, two hundred twelve thousand, two".

Divisors: 1 2 3 6 7 14 21 42 137 274 397 411 794 822 959 1191 1918 2382 2779 2877 5558 5754 8337 16674 54389 108778 163167 326334 380723 761446 1142169 2284338 8799929 17599858 26399787 52799574 61599503 123199006 184798509 369597018 1205590273 2411180546 3493571813 3616770819 6987143626 7233541638 8439131911 10480715439 16878263822 20961430878 24455002691 25317395733 48910005382 50634791466 73365008073 146730016146 478619338381 957238676762 1435858015143 2871716030286 3350335368667 6700670737334 10051006106001 20102012212002