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2031239738901 = 31939671898283
BaseRepresentation
bin11101100011101111010…
…100101011011000010101
321012011222120221000101210
4131203233110223120111
5231234434333121101
64153045541012033
7266516004622032
oct35435724533025
97164876830353
102031239738901
1171349797301a
122898020b4019
13119711725689
1470453810389
1537c858917d6
hex1d8ef52b615

2031239738901 has 16 divisors (see below), whose sum is σ = 2850937827840. Its totient is φ = 1282854489840.

The previous prime is 2031239738887. The next prime is 2031239738917. The reversal of 2031239738901 is 1098379321302.

It is not a de Polignac number, because 2031239738901 - 29 = 2031239738389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031239738201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812106 + ... + 2710388.

It is an arithmetic number, because the mean of its divisors is an integer number (178183614240).

Almost surely, 22031239738901 is an apocalyptic number.

It is an amenable number.

2031239738901 is a deficient number, since it is larger than the sum of its proper divisors (819698088939).

2031239738901 is a wasteful number, since it uses less digits than its factorization.

2031239738901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937976.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 2031239738901 in words is "two trillion, thirty-one billion, two hundred thirty-nine million, seven hundred thirty-eight thousand, nine hundred one".

Divisors: 1 3 19 57 39671 119013 753749 898283 2261247 2694849 17067377 51202131 35635784893 106907354679 677079912967 2031239738901