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331043432302020 = 223543128311407869
BaseRepresentation
bin100101101000101010000111…
…0001100000000010111000100
31121102010102221222121022112210
41023101110032030000113010
5321342303422132131040
63132023130414543420
7126505045600330464
oct11321241614002704
91542112858538483
10331043432302020
1196531805282849
1231166527807b70
1311294352cb7999
145ba68325b1ba4
1528412ecd6e480
hex12d150e3005c4

331043432302020 has 48 divisors (see below), whose sum is σ = 948477926975040. Its totient is φ = 86225266087296.

The previous prime is 331043432301991. The next prime is 331043432302057. The reversal of 331043432302020 is 20203234340133.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 64155701355 + ... + 64155706514.

It is an arithmetic number, because the mean of its divisors is an integer number (19759956811980).

Almost surely, 2331043432302020 is an apocalyptic number.

331043432302020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331043432302020 is an abundant number, since it is smaller than the sum of its proper divisors (617434494673020).

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

331043432302020 is a wasteful number, since it uses less digits than its factorization.

331043432302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128311407924 (or 128311407922 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 331043432302020 its reverse (20203234340133), we get a palindrome (351246666642153).

The spelling of 331043432302020 in words is "three hundred thirty-one trillion, forty-three billion, four hundred thirty-two million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 128311407869 256622815738 384934223607 513245631476 641557039345 769868447214 1283114078690 1539736894428 1924671118035 2566228157380 3849342236070 5517390538367 7698684472140 11034781076734 16552171615101 22069562153468 27586952691835 33104343230202 55173905383670 66208686460404 82760858075505 110347810767340 165521716151010 331043432302020