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1853314780031 = 1113118110973957
BaseRepresentation
bin11010111110000010001…
…010110100101101111111
320120011201200201121110022
4122332002022310231333
5220331042040430111
63535222343402355
7250616603464361
oct32760212645577
96504650647408
101853314780031
11654a93971a70
1225b2274533bb
131059c7970720
14659b5444d31
15333204202db
hex1af822b4b7f

1853314780031 has 16 divisors (see below), whose sum is σ = 2179164683808. Its totient is φ = 1553912169600.

The previous prime is 1853314779989. The next prime is 1853314780043. The reversal of 1853314780031 is 1300874133581.

It is a cyclic number.

It is not a de Polignac number, because 1853314780031 - 234 = 1836134910847 is a prime.

It is a super-2 number, since 2×18533147800312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853314780831) 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, 5318096 + ... + 5655861.

It is an arithmetic number, because the mean of its divisors is an integer number (136197792738).

Almost surely, 21853314780031 is an apocalyptic number.

1853314780031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1853314780031 is a deficient number, since it is larger than the sum of its proper divisors (325849903777).

1853314780031 is a wasteful number, since it uses less digits than its factorization.

1853314780031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10975162.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 1853314780031 in words is "one trillion, eight hundred fifty-three billion, three hundred fourteen million, seven hundred eighty thousand, thirty-one".

Divisors: 1 11 13 143 1181 12991 15353 168883 10973957 120713527 142661441 1569275851 12960243217 142562675387 168483161821 1853314780031