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2031201102209 = 177311349929027
BaseRepresentation
bin11101100011101101000…
…001010010100110000001
321012011212220020001211012
4131203231001102212001
5231234344440232314
64153042040530305
7266515025332436
oct35435501224601
97164786201735
102031201102209
11713478083774
122897b1180995
13119706718526
147044c633b8d
1537c822ad93e
hex1d8ed052981

2031201102209 has 32 divisors (see below), whose sum is σ = 2203921872000. Its totient is φ = 1865035210752.

The previous prime is 2031201102199. The next prime is 2031201102233. The reversal of 2031201102209 is 9022011021302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2031201102209 - 220 = 2031200053633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031201102509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69961754 + ... + 69990780.

It is an arithmetic number, because the mean of its divisors is an integer number (68872558500).

Almost surely, 22031201102209 is an apocalyptic number.

It is an amenable number.

2031201102209 is a deficient number, since it is larger than the sum of its proper divisors (172720769791).

2031201102209 is a wasteful number, since it uses less digits than its factorization.

2031201102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29729.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 2031201102209 in words is "two trillion, thirty-one billion, two hundred one million, one hundred two thousand, two hundred nine".

Divisors: 1 17 73 113 499 1241 1921 8249 8483 29027 36427 56387 140233 493459 619259 958579 2118971 3280051 4116251 14484473 36022507 55760867 69976267 239443723 246236041 1057366529 1636745449 4070543291 17975230993 27824672633 119482417777 2031201102209