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102101312201 = 7223167542489
BaseRepresentation
bin101111100010110110…
…1100110001011001001
3100202112121122001200112
41133011231212023021
53133100413442301
6114523225244105
710243110556100
oct1370555461311
9322477561615
10102101312201
113a334590059
1217955633635
139821c69945
144d2816d037
1529c89609bb
hex17c5b662c9

102101312201 has 24 divisors (see below), whose sum is σ = 124677221760. Its totient is φ = 83208979392.

The previous prime is 102101312189. The next prime is 102101312237. The reversal of 102101312201 is 102213101201.

It is a de Polignac number, because none of the positive numbers 2k-102101312201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102101312801) 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, 83036 + ... + 459453.

It is an arithmetic number, because the mean of its divisors is an integer number (5194884240).

Almost surely, 2102101312201 is an apocalyptic number.

It is an amenable number.

102101312201 is a deficient number, since it is larger than the sum of its proper divisors (22575909559).

102101312201 is a wasteful number, since it uses less digits than its factorization.

102101312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542693 (or 542686 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102101312201 its reverse (102213101201), we get a palindrome (204314413402).

The spelling of 102101312201 in words is "one hundred two billion, one hundred one million, three hundred twelve thousand, two hundred one".

Divisors: 1 7 23 49 161 167 1127 1169 3841 8183 26887 188209 542489 3797423 12477247 26581961 87340729 90595663 611385103 634169641 2083700249 4439187487 14585901743 102101312201