Search a number
-
+
2103103031120 = 245713288887779
BaseRepresentation
bin11110100110101010101…
…101011000011101010000
321110001110212101111200022
4132212222231120131100
5233424123333443440
64250052512443012
7304641565544360
oct36465255303520
97401425344608
102103103031120
11740a14919113
1229b718b49468
13123424bc06b0
1473b0da969a0
1539a8e85dcb5
hex1e9aab58750

2103103031120 has 80 divisors (see below), whose sum is σ = 6018110232960. Its totient is φ = 665597440512.

The previous prime is 2103103031111. The next prime is 2103103031213. The reversal of 2103103031120 is 211303013012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×21031030311202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 144436610 + ... + 144451169.

It is an arithmetic number, because the mean of its divisors is an integer number (75226377912).

Almost surely, 22103103031120 is an apocalyptic number.

2103103031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103103031120 is an abundant number, since it is smaller than the sum of its proper divisors (3915007201840).

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

2103103031120 is a wasteful number, since it uses less digits than its factorization.

2103103031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288887812 (or 288887806 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2103103031120 its reverse (211303013012), we get a palindrome (2314406044132).

The spelling of 2103103031120 in words is "two trillion, one hundred three billion, one hundred three million, thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 288887779 577775558 1155551116 1444438895 2022214453 2311102232 2888877790 3755541127 4044428906 4622204464 5777755580 7511082254 8088857812 10111072265 11555511160 15022164508 16177715624 18777705635 20222144530 23111022320 26288787889 30044329016 32355431248 37555411270 40444289060 52577575778 60088658032 75110822540 80888578120 105155151556 131443939445 150221645080 161777156240 210310303112 262887878890 300443290160 420620606224 525775757780 1051551515560 2103103031120