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102201321201 = 3721429486527
BaseRepresentation
bin101111100101110101…
…1000110011011110001
3100202210120211001020120
41133023223012123301
53133302014234301
6114541201000453
710245433616400
oct1371353063361
9322716731216
10102201321201
113a385a88321
1217983023129
1398398b4575
144d37563637
1529d2617e36
hex17cbac66f1

102201321201 has 24 divisors (see below), whose sum is σ = 158627589120. Its totient is φ = 58359766752.

The previous prime is 102201321199. The next prime is 102201321253. The reversal of 102201321201 is 102123102201.

It is not a de Polignac number, because 102201321201 - 21 = 102201321199 is a prime.

It is a super-2 number, since 2×1022013212012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102201323201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33201 + ... + 453326.

It is an arithmetic number, because the mean of its divisors is an integer number (6609482880).

Almost surely, 2102201321201 is an apocalyptic number.

It is an amenable number.

102201321201 is a deficient number, since it is larger than the sum of its proper divisors (56426267919).

102201321201 is a wasteful number, since it uses less digits than its factorization.

102201321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487973 (or 487966 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102201321201 its reverse (102123102201), we get a palindrome (204324423402).

The spelling of 102201321201 in words is "one hundred two billion, two hundred one million, three hundred twenty-one thousand, two hundred one".

Divisors: 1 3 7 21 49 147 1429 4287 10003 30009 70021 210063 486527 1459581 3405689 10217067 23839823 71519469 695247083 2085741249 4866729581 14600188743 34067107067 102201321201