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1361420541642 = 237191706040779
BaseRepresentation
bin10011110011111010111…
…111001101111011001010
311211011001201221020202210
4103303322333031323022
5134301142124313032
62521232235005550
7200234161445040
oct23637277157312
94734051836683
101361420541642
11485414449207
1219ba28b998b6
139b4c5c45bc5
1449c7097a390
15256312292cc
hex13cfafcdeca

1361420541642 has 32 divisors (see below), whose sum is σ = 3275598297600. Its totient is φ = 368504808048.

The previous prime is 1361420541599. The next prime is 1361420541673. The reversal of 1361420541642 is 2461450241631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361420541642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853019592 + ... + 853021187.

It is an arithmetic number, because the mean of its divisors is an integer number (102362446800).

Almost surely, 21361420541642 is an apocalyptic number.

1361420541642 is an abundant number, since it is smaller than the sum of its proper divisors (1914177755958).

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

1361420541642 is a wasteful number, since it uses less digits than its factorization.

1361420541642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706040810.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 1361420541642 in words is "one trillion, three hundred sixty-one billion, four hundred twenty million, five hundred forty-one thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 1706040779 3412081558 5118122337 10236244674 11942285453 23884570906 32414774801 35826856359 64829549602 71653712718 97244324403 194488648806 226903423607 453806847214 680710270821 1361420541642