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2187103800996 = 223231279512
BaseRepresentation
bin11111110100111001100…
…010111000111010100100
321202002022000122202012100
4133310321202320322210
5241313142033112441
64352424104452100
7314004320400162
oct37647142707244
97662260582170
102187103800996
11773600094884
122b3a6077a030
1312b320b5645a
1477bdbd06232
153bd591a5cb6
hex1fd398b8ea4

2187103800996 has 81 divisors (see below), whose sum is σ = 5713322936139. Its totient is φ = 705428622000.

The previous prime is 2187103800929. The next prime is 2187103801013. The reversal of 2187103800996 is 6990083017812.

The square root of 2187103800996 is 1478886.

It is a perfect power (a square), and thus also a powerful 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 26 ways as a sum of consecutive naturals, for example, 275068821 + ... + 275076771.

Almost surely, 22187103800996 is an apocalyptic number.

2187103800996 is the 1478886-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2187103800996

2187103800996 is an abundant number, since it is smaller than the sum of its proper divisors (3526219135143).

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

2187103800996 is an frugal number, since it uses more digits than its factorization.

2187103800996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 2187103800996 in words is "two trillion, one hundred eighty-seven billion, one hundred three million, eight hundred thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 961 1116 1922 2883 3844 5766 7951 8649 11532 15902 17298 23853 31804 34596 47706 71559 95412 143118 246481 286236 492962 739443 985924 1478886 2218329 2957772 4436658 7640911 8873316 15281822 22922733 30563644 45845466 63218401 68768199 91690932 126436802 137536398 189655203 252873604 275072796 379310406 568965609 758620812 1137931218 1959770431 2275862436 3919540862 5879311293 7839081724 11758622586 17637933879 23517245172 35275867758 60752883361 70551735516 121505766722 182258650083 243011533444 364517300166 546775950249 729034600332 1093551900498 2187103800996