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331203013120020 = 223541134635371187
BaseRepresentation
bin100101101001110100011010…
…1111100100001000000010100
31121102200200212110001210221110
41023103220311330201000110
5321402412232324320040
63132224321433415020
7126522425264030646
oct11323506574410024
91542620773053843
10331203013120020
11965934555092a8
1231191442b6a470
13112a6405458002
145bb045056a896
15284553cb09980
hex12d3a35f21014

331203013120020 has 48 divisors (see below), whose sum is σ = 949987179102528. Its totient is φ = 86166637559040.

The previous prime is 331203013120019. The next prime is 331203013120043. The reversal of 331203013120020 is 20021310302133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67317683134 + ... + 67317688053.

It is an arithmetic number, because the mean of its divisors is an integer number (19791399564636).

Almost surely, 2331203013120020 is an apocalyptic number.

331203013120020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331203013120020 is an abundant number, since it is smaller than the sum of its proper divisors (618784165982508).

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

331203013120020 is a wasteful number, since it uses less digits than its factorization.

331203013120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134635371240 (or 134635371238 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331203013120020 its reverse (20021310302133), we get a palindrome (351224323422153).

The spelling of 331203013120020 in words is "three hundred thirty-one trillion, two hundred three billion, thirteen million, one hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 134635371187 269270742374 403906113561 538541484748 673176855935 807812227122 1346353711870 1615624454244 2019530567805 2692707423740 4039061135610 5520050218667 8078122271220 11040100437334 16560150656001 22080200874668 27600251093335 33120301312002 55200502186670 66240602624004 82800753280005 110401004373340 165601506560010 331203013120020