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2670890884820 = 225149896272109
BaseRepresentation
bin100110110111011101100…
…000001001111011010100
3100110100000222101222112222
4212313131200021323110
5322224441031303240
65402553525001512
7363652110635414
oct46673540117324
910410028358488
102670890884820
1193a79a3023a4
12371777b53298
13164b300909b2
14933b3bb2644
1549721786eb5
hex26ddd809ed4

2670890884820 has 24 divisors (see below), whose sum is σ = 5646514293000. Its totient is φ = 1061186175872.

The previous prime is 2670890884799. The next prime is 2670890884877. The reversal of 2670890884820 is 284880980762.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5945643664 + 2664945241156 = 77108^2 + 1632466^2 .

It is a super-3 number, since 3×26708908848203 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448133075 + ... + 448139034.

It is an arithmetic number, because the mean of its divisors is an integer number (235271428875).

Almost surely, 22670890884820 is an apocalyptic number.

2670890884820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2670890884820 is an abundant number, since it is smaller than the sum of its proper divisors (2975623408180).

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

2670890884820 is a wasteful number, since it uses less digits than its factorization.

2670890884820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896272267 (or 896272265 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 62.

The spelling of 2670890884820 in words is "two trillion, six hundred seventy billion, eight hundred ninety million, eight hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 896272109 1792544218 3585088436 4481360545 8962721090 17925442180 133544544241 267089088482 534178176964 667722721205 1335445442410 2670890884820