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210100202001 = 3331210974287
BaseRepresentation
bin1100001110101011110…
…0101010101000010001
3202002022020121002221000
43003222330222220101
511420241122431001
6240304012252213
721115323152034
oct3035274525021
9662266532830
10210100202001
11811150a5488
1234876171069
1316a739c1071
14a25168901b
1556ea026a86
hex30eaf2aa11

210100202001 has 48 divisors (see below), whose sum is σ = 324579129600. Its totient is φ = 134303145120.

The previous prime is 210100201991. The next prime is 210100202009. The reversal of 210100202001 is 100202001012.

Adding to 210100202001 its reverse (100202001012), we get a palindrome (310302203013).

It is not a de Polignac number, because 210100202001 - 27 = 210100201873 is a prime.

It is a super-2 number, since 2×2101002020012 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (210100202009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2791080 + ... + 2865366.

It is an arithmetic number, because the mean of its divisors is an integer number (6762065200).

Almost surely, 2210100202001 is an apocalyptic number.

It is an amenable number.

210100202001 is a deficient number, since it is larger than the sum of its proper divisors (114478927599).

210100202001 is a wasteful number, since it uses less digits than its factorization.

210100202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74467 (or 74430 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The spelling of 210100202001 in words is "two hundred ten billion, one hundred million, two hundred two thousand, one".

Divisors: 1 3 9 27 31 93 109 279 327 837 961 981 2883 2943 3379 8649 10137 25947 30411 74287 91233 104749 222861 314247 668583 942741 2005749 2302897 2828223 6908691 8097283 20726073 24291849 62178219 71389807 72875547 214169421 218626641 251015773 642508263 753047319 1927524789 2259141957 6777425871 7781488963 23344466889 70033400667 210100202001