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103455186783774 = 2372541764960013
BaseRepresentation
bin10111100001011110001001…
…101010001000111000011110
3111120022012220211211021002020
4113201132021222020320132
5102030002210304040044
61004010353502441010
730535250654211600
oct2741361152107036
9446265824737066
10103455186783774
112aa67109960761
12b72a384893166
134595a227c0307
141b79387401170
15be6190801a19
hex5e1789a88e1e

103455186783774 has 48 divisors (see below), whose sum is σ = 240736095402768. Its totient is φ = 29553167699328.

The previous prime is 103455186783757. The next prime is 103455186783787. The reversal of 103455186783774 is 477387681554301.

It is a junction number, because it is equal to n+sod(n) for n = 103455186783699 and 103455186783708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30887409 + ... + 34072604.

It is an arithmetic number, because the mean of its divisors is an integer number (5015335320891).

Almost surely, 2103455186783774 is an apocalyptic number.

103455186783774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103455186783774 is an abundant number, since it is smaller than the sum of its proper divisors (137280908618994).

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

103455186783774 is a wasteful number, since it uses less digits than its factorization.

103455186783774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64965449 (or 64965442 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 69.

The spelling of 103455186783774 in words is "one hundred three trillion, four hundred fifty-five billion, one hundred eighty-six million, seven hundred eighty-three thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 5417 10834 16251 32502 37919 75838 113757 227514 265433 530866 796299 1592598 64960013 129920026 194880039 389760078 454720091 909440182 1364160273 2728320546 3183040637 6366081274 9549121911 19098243822 351888390421 703776780842 1055665171263 2111330342526 2463218732947 4926437465894 7389656198841 14779312397682 17242531130629 34485062261258 51727593391887 103455186783774