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201231002130130 = 25719151301505361
BaseRepresentation
bin101101110000010010111110…
…011001100101011011010010
3222101111111101112022120000201
4231300102332121211123102
5202333432043021131010
61551552125101205414
760246313552631560
oct5560227631453322
9871444345276021
10201231002130130
1159133652691695
121a69babb56086a
13883900474358b
1437998bd6daa30
15183e73085623a
hexb704be6656d2

201231002130130 has 32 divisors (see below), whose sum is σ = 435748335442560. Its totient is φ = 65362250315520.

The previous prime is 201231002130089. The next prime is 201231002130131. The reversal of 201231002130130 is 31031200132102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 201231002130098 and 201231002130107.

It is not an unprimeable number, because it can be changed into a prime (201231002130131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75650751351 + ... + 75650754010.

It is an arithmetic number, because the mean of its divisors is an integer number (13617135482580).

Almost surely, 2201231002130130 is an apocalyptic number.

201231002130130 is an abundant number, since it is smaller than the sum of its proper divisors (234517333312430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201231002130130 is a wasteful number, since it uses less digits than its factorization.

201231002130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151301505394.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201231002130130 its reverse (31031200132102), we get a palindrome (232262202262232).

The spelling of 201231002130130 in words is "two hundred one trillion, two hundred thirty-one billion, two million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 151301505361 302603010722 756507526805 1059110537527 1513015053610 2118221075054 2874728601859 5295552687635 5749457203718 10591105375270 14373643009295 20123100213013 28747286018590 40246200426026 100615501065065 201231002130130