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2890541278040 = 2351353104881759
BaseRepresentation
bin101010000100000001101…
…011111010001101011000
3101020022222210101001221212
4222010001223322031120
5334324312031344130
610051521335122252
7415556210320523
oct52040153721530
911208883331855
102890541278040
11a14965216899
123a8258513388
1317c76650b580
149dc8d971bba
15502c9e19e95
hex2a101afa358

2890541278040 has 64 divisors (see below), whose sum is σ = 7136154950400. Its totient is φ = 1047139471872.

The previous prime is 2890541278007. The next prime is 2890541278049. The reversal of 2890541278040 is 408721450982.

It is a self number, because there is not a number n which added to its sum of digits gives 2890541278040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890541278049) 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, 52413320 + ... + 52468439.

It is an arithmetic number, because the mean of its divisors is an integer number (111502421100).

Almost surely, 22890541278040 is an apocalyptic number.

2890541278040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890541278040 is an abundant number, since it is smaller than the sum of its proper divisors (4245613672360).

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

2890541278040 is a wasteful number, since it uses less digits than its factorization.

2890541278040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104881836 (or 104881832 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 2890541278040 in words is "two trillion, eight hundred ninety billion, five hundred forty-one million, two hundred seventy-eight thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 53 65 104 106 130 212 260 265 424 520 530 689 1060 1378 2120 2756 3445 5512 6890 13780 27560 104881759 209763518 419527036 524408795 839054072 1048817590 1363462867 2097635180 2726925734 4195270360 5453851468 5558733227 6817314335 10907702936 11117466454 13634628670 22234932908 27269257340 27793666135 44469865816 54538514680 55587332270 72263531951 111174664540 144527063902 222349329080 289054127804 361317659755 578108255608 722635319510 1445270639020 2890541278040