Search a number
-
+
2121011212010 = 257910126582419
BaseRepresentation
bin11110110111010110000…
…111101010111011101010
321111202200220210100120012
4132313112013222323222
5234222312332241020
64302213515131522
7306144430556315
oct36672607527352
97452626710505
102121011212010
11748574597509
122a3096443ba2
1312501a0b3032
147492c22197c
153a28bb2b7c5
hex1edd61eaeea

2121011212010 has 32 divisors (see below), whose sum is σ = 3904425849600. Its totient is φ = 829371441600.

The previous prime is 2121011211997. The next prime is 2121011212037. The reversal of 2121011212010 is 102121101212.

It is a super-2 number, since 2×21210112120102 (a number of 25 digits) contains 22 as substring.

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, 13211420 + ... + 13370999.

It is an arithmetic number, because the mean of its divisors is an integer number (122013307800).

Almost surely, 22121011212010 is an apocalyptic number.

2121011212010 is a deficient number, since it is larger than the sum of its proper divisors (1783414637590).

2121011212010 is a wasteful number, since it uses less digits than its factorization.

2121011212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26582606.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2121011212010 its reverse (102121101212), we get a palindrome (2223132313222).

The spelling of 2121011212010 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 79 101 158 202 395 505 790 1010 7979 15958 39895 79790 26582419 53164838 132912095 265824190 2100011101 2684824319 4200022202 5369648638 10500055505 13424121595 21000111010 26848243190 212101121201 424202242402 1060505606005 2121011212010