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210212102001 = 31171283317029
BaseRepresentation
bin1100001111000110011…
…1100001111101110001
3202002121001011012212110
43003301213201331301
511421003244231001
6240323050515533
721121152246066
oct3036147417561
9662531135773
10210212102001
1181172284620
12348a7735ba9
1316a90c40195
14a262496c6d
155704c7c3d6
hex30f19e1f71

210212102001 has 32 divisors (see below), whose sum is σ = 311166213120. Its totient is φ = 125162654400.

The previous prime is 210212101969. The next prime is 210212102003. The reversal of 210212102001 is 100201212012.

It is not a de Polignac number, because 210212102001 - 25 = 210212101969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210212102003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504555 + ... + 821583.

It is an arithmetic number, because the mean of its divisors is an integer number (9723944160).

Almost surely, 2210212102001 is an apocalyptic number.

It is an amenable number.

210212102001 is a deficient number, since it is larger than the sum of its proper divisors (100954111119).

210212102001 is a wasteful number, since it uses less digits than its factorization.

210212102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317397.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210212102001 its reverse (100201212012), we get a palindrome (310413314013).

It can be divided in two parts, 210212 and 102001, that added together give a palindrome (312213).

The spelling of 210212102001 in words is "two hundred ten billion, two hundred twelve million, one hundred two thousand, one".

Divisors: 1 3 11 33 71 213 283 781 849 2343 3113 9339 20093 60279 221023 317029 663069 951087 3487319 10461957 22509059 67527177 89719207 247599649 269157621 742798947 986911277 2960733831 6370063697 19110191091 70070700667 210212102001