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1872240761113 = 19947197952579
BaseRepresentation
bin11011001111101010001…
…111101101100100011001
320121222120200022001201121
4123033222033231210121
5221133322113323423
63552032345045241
7252156604614652
oct33175217554431
96558520261647
101872240761113
11662016111748
12262a29786821
131077229932b8
146688cc32529
1533a7bc3845d
hex1b3ea3ed919

1872240761113 has 16 divisors (see below), whose sum is σ = 1973895264000. Its totient is φ = 1770899807952.

The previous prime is 1872240761107. The next prime is 1872240761137. The reversal of 1872240761113 is 3111670422781.

It is a cyclic number.

It is not a de Polignac number, because 1872240761113 - 25 = 1872240761081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1872240761113.

It is not an unprimeable number, because it can be changed into a prime (1872240761513) 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, 35581858 + ... + 35634436.

It is an arithmetic number, because the mean of its divisors is an integer number (123368454000).

Almost surely, 21872240761113 is an apocalyptic number.

It is an amenable number.

1872240761113 is a deficient number, since it is larger than the sum of its proper divisors (101654502887).

1872240761113 is a wasteful number, since it uses less digits than its factorization.

1872240761113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55524.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 1872240761113 in words is "one trillion, eight hundred seventy-two billion, two hundred forty million, seven hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 19 947 1979 17993 37601 52579 999001 1874113 35608147 49792313 104053841 946053947 1977022979 98538987427 1872240761113