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2890345620442 = 27919512245253
BaseRepresentation
bin101010000011110110000…
…001100010001111011010
3101020022111011012122012011
4222003312001202033122
5334323411434323232
610051450105340134
7415551313260310
oct52036601421732
911208434178164
102890345620442
11a1487482a3a5
123a8202a9764a
1317c734b14947
149dc719a00b0
15502b7b6c547
hex2a0f60623da

2890345620442 has 16 divisors (see below), whose sum is σ = 4954934299392. Its totient is φ = 1238705528400.

The previous prime is 2890345620419. The next prime is 2890345620443. The reversal of 2890345620442 is 2440265430982.

It is not an unprimeable number, because it can be changed into a prime (2890345620443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164688 + ... + 2409940.

It is an arithmetic number, because the mean of its divisors is an integer number (309683393712).

Almost surely, 22890345620442 is an apocalyptic number.

2890345620442 is a deficient number, since it is larger than the sum of its proper divisors (2064588678950).

2890345620442 is a wasteful number, since it uses less digits than its factorization.

2890345620442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337213.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 2890345620442 in words is "two trillion, eight hundred ninety billion, three hundred forty-five million, six hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 7 14 91951 183902 643657 1287314 2245253 4490506 15716771 31433542 206453258603 412906517206 1445172810221 2890345620442