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1001011201197 = 3719231071019423
BaseRepresentation
bin11101001000100001110…
…10101100010010101101
310112200210012011202202020
432210100322230102231
5112400032331414242
62043505212020353
7132214663551330
oct16442072542255
93480705152666
101001011201197
113565877aa367
121420047616b9
1373519928247
143664086c617
151b08a40b6ec
hexe910eac4ad

1001011201197 has 64 divisors (see below), whose sum is σ = 1691102085120. Its totient is φ = 513495094464.

The previous prime is 1001011201189. The next prime is 1001011201261. The reversal of 1001011201197 is 7911021101001.

It is not a de Polignac number, because 1001011201197 - 23 = 1001011201189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011201147) 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 63 ways as a sum of consecutive naturals, for example, 472228 + ... + 1491650.

It is an arithmetic number, because the mean of its divisors is an integer number (26423470080).

Almost surely, 21001011201197 is an apocalyptic number.

It is an amenable number.

1001011201197 is a deficient number, since it is larger than the sum of its proper divisors (690090883923).

1001011201197 is a wasteful number, since it uses less digits than its factorization.

1001011201197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019582.

The product of its (nonzero) digits is 126, while the sum is 24.

Adding to 1001011201197 its reverse (7911021101001), we get a palindrome (8912032302198).

The spelling of 1001011201197 in words is "one trillion, one billion, eleven million, two hundred one thousand, one hundred ninety-seven".

Divisors: 1 3 7 19 21 23 57 69 107 133 161 321 399 437 483 749 1311 2033 2247 2461 3059 6099 7383 9177 14231 17227 42693 46759 51681 140277 327313 981939 1019423 3058269 7135961 19369037 21407883 23446729 58107111 70340187 109078261 135583259 164127103 327234783 406749777 445487851 492381309 763547827 1336463553 2072486959 2290643481 2508800003 3118414957 6217460877 7526400009 9355244871 14507408713 17561600021 43522226139 47667200057 52684800063 143001600171 333670400399 1001011201197