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101210100201 = 32721930194001
BaseRepresentation
bin101111001000010010…
…1111001000111101001
3100200020111122210122200
41132100211321013221
53124234241201301
6114254551410413
710212036441300
oct1362045710751
9320214583580
10101210100201
1139a17510311
1217747083a09
13970c42c272
144c81a5d437
1529755bcc86
hex17909791e9

101210100201 has 72 divisors (see below), whose sum is σ = 179115112800. Its totient is φ = 54758592000.

The previous prime is 101210100179. The next prime is 101210100227. The reversal of 101210100201 is 102001012101.

It is a happy number.

It is not a de Polignac number, because 101210100201 - 25 = 101210100169 is a prime.

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 (101210100401) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 25294201 + ... + 25298201.

It is an arithmetic number, because the mean of its divisors is an integer number (2487709900).

Almost surely, 2101210100201 is an apocalyptic number.

It is an amenable number.

101210100201 is a deficient number, since it is larger than the sum of its proper divisors (77905012599).

101210100201 is a wasteful number, since it uses less digits than its factorization.

101210100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101210100201 its reverse (102001012101), we get a palindrome (203211112302).

The spelling of 101210100201 in words is "one hundred one billion, two hundred ten million, one hundred thousand, two hundred one".

Divisors: 1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 3019 4001 8379 9057 12003 21133 27171 28007 36009 57361 63399 76019 84021 147931 172083 190197 196049 228057 252063 401527 443793 516249 532133 588147 684171 1204581 1331379 1596399 1764441 2810689 3613743 3724931 4789197 8432067 11174793 12079019 25296201 33524379 36237057 84553133 108711171 229501361 253659399 591871931 688504083 760978197 1606509527 1775615793 2065512249 4819528581 5326847379 11245566689 14458585743 33736700067 101210100201