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101201112100205 = 5131556940186157
BaseRepresentation
bin10111000000101010111000…
…010101100110110101101101
3111021022201202111122011221122
4113000222320111212311231
5101231034334144201310
6555123052111310325
730213352620426035
oct2700527025466555
9437281674564848
10101201112100205
112a278172522647
12b42555381b3a5
1344612bac5a0c0
141adc234d088c5
15ba7716e31555
hex5c0ab8566d6d

101201112100205 has 8 divisors (see below), whose sum is σ = 130782975637272. Its totient is φ = 74733128935488.

The previous prime is 101201112100199. The next prime is 101201112100217. The reversal of 101201112100205 is 502001211102101.

It can be written as a sum of positive squares in 4 ways, for example, as 18591300168169 + 82609811932036 = 4311763^2 + 9088994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101201112100205 - 28 = 101201112099949 is a prime.

It is a super-2 number, since 2×1012011121002052 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778470093014 + ... + 778470093143.

It is an arithmetic number, because the mean of its divisors is an integer number (16347871954659).

Almost surely, 2101201112100205 is an apocalyptic number.

It is an amenable number.

101201112100205 is a deficient number, since it is larger than the sum of its proper divisors (29581863537067).

101201112100205 is a wasteful number, since it uses less digits than its factorization.

101201112100205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556940186175.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 101201112100205 its reverse (502001211102101), we get a palindrome (603202323202306).

The spelling of 101201112100205 in words is "one hundred one trillion, two hundred one billion, one hundred twelve million, one hundred thousand, two hundred five".

Divisors: 1 5 13 65 1556940186157 7784700930785 20240222420041 101201112100205