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121333333310020 = 225131330133508429
BaseRepresentation
bin11011100101101000011110…
…001110110011101001000100
3120220121100112121122002021101
4123211220132032303221010
5111400411131311410040
61110015432553025444
734362021052262446
oct3345503616635104
9526540477562241
10121333333310020
113572a1a55555a7
12117372679b5284
1352918b8361ca0
1421d67c9630496
15e06259b3709a
hex6e5a1e3b3a44

121333333310020 has 48 divisors (see below), whose sum is σ = 274402141115760. Its totient is φ = 44799650413056.

The previous prime is 121333333309949. The next prime is 121333333310069. The reversal of 121333333310020 is 20013333333121.

It can be written as a sum of positive squares in 8 ways, for example, as 2710870046784 + 118622463263236 = 1646472^2 + 10891394^2 .

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, 32829166 + ... + 36337594.

It is an arithmetic number, because the mean of its divisors is an integer number (5716711273245).

Almost surely, 2121333333310020 is an apocalyptic number.

121333333310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333333310020 is an abundant number, since it is smaller than the sum of its proper divisors (153068807805740).

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

121333333310020 is a wasteful number, since it uses less digits than its factorization.

121333333310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641464 (or 3641462 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 121333333310020 its reverse (20013333333121), we get a palindrome (141346666643141).

The spelling of 121333333310020 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, three hundred thirty-three million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 133013 266026 532052 665065 1330130 1729169 2660260 3458338 3508429 6916676 7016858 8645845 14033716 17291690 17542145 34583380 35084290 45609577 70168580 91219154 182438308 228047885 456095770 912191540 466666666577 933333333154 1866666666308 2333333332885 4666666665770 6066666665501 9333333331540 12133333331002 24266666662004 30333333327505 60666666655010 121333333310020