Search a number
-
+
2100212311330 = 257191579107001
BaseRepresentation
bin11110100011111110011…
…010001010010100100010
321102210000101222201121101
4132203332122022110202
5233402213322430310
64244454010345014
7304510135045030
oct36437632122442
97383011881541
102100212311330
1173a7711085a1
1229b050a2b16a
1312308404ba03
1473917bb9550
1539970ba443a
hex1e8fe68a522

2100212311330 has 32 divisors (see below), whose sum is σ = 4547828165760. Its totient is φ = 682174224000.

The previous prime is 2100212311283. The next prime is 2100212311343. The reversal of 2100212311330 is 331132120012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 2100212311298 and 2100212311307.

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, 789552171 + ... + 789554830.

It is an arithmetic number, because the mean of its divisors is an integer number (142119630180).

Almost surely, 22100212311330 is an apocalyptic number.

2100212311330 is an abundant number, since it is smaller than the sum of its proper divisors (2447615854430).

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

2100212311330 is a wasteful number, since it uses less digits than its factorization.

2100212311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579107034.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2100212311330 its reverse (331132120012), we get a palindrome (2431344431342).

The spelling of 2100212311330 in words is "two trillion, one hundred billion, two hundred twelve million, three hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 1579107001 3158214002 7895535005 11053749007 15791070010 22107498014 30003033019 55268745035 60006066038 110537490070 150015165095 210021231133 300030330190 420042462266 1050106155665 2100212311330