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2104212040 = 235723326741
BaseRepresentation
bin111110101101011…
…1011101001001000
312102122110001021021
41331122323221020
513302134241130
6544444322224
7103100335660
oct17532735110
95378401237
102104212040
1198a855717
124a8843374
13276c340a8
1415d6651a0
15c4aea37a
hex7d6bba48

2104212040 has 64 divisors (see below), whose sum is σ = 5646101760. Its totient is φ = 690074880.

The previous prime is 2104212007. The next prime is 2104212041. The reversal of 2104212040 is 402124012.

It is not an unprimeable number, because it can be changed into a prime (2104212041) 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, 156931 + ... + 169810.

It is an arithmetic number, because the mean of its divisors is an integer number (88220340).

Almost surely, 22104212040 is an apocalyptic number.

2104212040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104212040 is an abundant number, since it is smaller than the sum of its proper divisors (3541889720).

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

2104212040 is a wasteful number, since it uses less digits than its factorization.

2104212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326782 (or 326778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2104212040 is about 45871.6910523255. The cubic root of 2104212040 is about 1281.4347599828.

Adding to 2104212040 its reverse (402124012), we get a palindrome (2506336052).

The spelling of 2104212040 in words is "two billion, one hundred four million, two hundred twelve thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 326741 653482 1306964 1633705 2287187 2613928 3267410 4574374 6534820 7515043 9148748 11435935 13069640 15030086 18297496 22871870 30060172 37575215 45743740 52605301 60120344 75150430 91487480 105210602 150300860 210421204 263026505 300601720 420842408 526053010 1052106020 2104212040