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10210012120008 = 23321202471179287
BaseRepresentation
bin1001010010010011010000…
…1001010100001111001000
31100011001211022002022222100
42110210310021110033020
52314240101100320013
633414225333353400
72102435422042461
oct224446411241710
940131738068870
1010210012120008
113287050738168
12118a928498860
13590a5281965c
1427424ac09d68
1512a8bc36b473
hex949342543c8

10210012120008 has 48 divisors (see below), whose sum is σ = 27652369567680. Its totient is φ = 3403306184544.

The previous prime is 10210012120003. The next prime is 10210012120103. The reversal of 10210012120008 is 80002121001201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10210012120001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8068141 + ... + 9247427.

It is an arithmetic number, because the mean of its divisors is an integer number (576091032660).

Almost surely, 210210012120008 is an apocalyptic number.

10210012120008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10210012120008 is an abundant number, since it is smaller than the sum of its proper divisors (17442357447672).

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

10210012120008 is a wasteful number, since it uses less digits than its factorization.

10210012120008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299546 (or 1299539 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10210012120008 its reverse (80002121001201), we get a palindrome (90212133121209).

The spelling of 10210012120008 in words is "ten trillion, two hundred ten billion, twelve million, one hundred twenty thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 120247 240494 360741 480988 721482 961976 1082223 1179287 1442964 2164446 2358574 2885928 3537861 4328892 4717148 7075722 8657784 9434296 10613583 14151444 21227166 28302888 42454332 84908664 141805723889 283611447778 425417171667 567222895556 850834343334 1134445791112 1276251515001 1701668686668 2552503030002 3403337373336 5105006060004 10210012120008