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1813093980348 = 2237101213707447
BaseRepresentation
bin11010011000100100110…
…100101001100010111100
320102022220122012021201210
4122120210310221202330
5214201204024332343
63504531320204420
7244664105356620
oct32304464514274
96368818167653
101813093980348
11639a24314952
12253481609710
13101c87c30781
1463a7b7dd180
1532269371333
hex1a624d298bc

1813093980348 has 48 divisors (see below), whose sum is σ = 4882787771904. Its totient is φ = 512897870400.

The previous prime is 1813093980331. The next prime is 1813093980389. The reversal of 1813093980348 is 8430893903181.

It is a super-3 number, since 3×18130939803483 (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106845240 + ... + 106862207.

It is an arithmetic number, because the mean of its divisors is an integer number (101724745248).

Almost surely, 21813093980348 is an apocalyptic number.

It is an amenable number.

1813093980348 is an abundant number, since it is smaller than the sum of its proper divisors (3069693791556).

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

1813093980348 is a wasteful number, since it uses less digits than its factorization.

1813093980348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213707562 (or 213707560 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 1813093980348 in words is "one trillion, eight hundred thirteen billion, ninety-three million, nine hundred eighty thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 1212 1414 2121 2828 4242 8484 213707447 427414894 641122341 854829788 1282244682 1495952129 2564489364 2991904258 4487856387 5983808516 8975712774 17951425548 21584452147 43168904294 64753356441 86337808588 129506712882 151091165029 259013425764 302182330058 453273495087 604364660116 906546990174 1813093980348