Search a number
-
+
2210121001010 = 251319786299141
BaseRepresentation
bin100000001010010101011…
…110100010100000110010
321211021201010120122202202
4200022111132202200302
5242202311434013020
64411152055143202
7315450600354446
oct40122536424062
97737633518682
102210121001010
1178234176192a
122b8405074b02
1313054b658430
1478d82bd0826
153c754c61e75
hex202957a2832

2210121001010 has 32 divisors (see below), whose sum is σ = 4305981989232. Its totient is φ = 811902309120.

The previous prime is 2210121001007. The next prime is 2210121001021. The reversal of 2210121001010 is 101001210122.

It can be written as a sum of positive squares in 8 ways, for example, as 931161311089 + 1278959689921 = 964967^2 + 1130911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2210121000982 and 2210121001000.

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, 43123961 + ... + 43175180.

Almost surely, 22210121001010 is an apocalyptic number.

2210121001010 is a deficient number, since it is larger than the sum of its proper divisors (2095860988222).

2210121001010 is a wasteful number, since it uses less digits than its factorization.

2210121001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86299358.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2210121001010 its reverse (101001210122), we get a palindrome (2311122211132).

The spelling of 2210121001010 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, one thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 197 394 985 1970 2561 5122 12805 25610 86299141 172598282 431495705 862991410 1121888833 2243777666 5609444165 11218888330 17000930777 34001861554 85004653885 170009307770 221012100101 442024200202 1105060500505 2210121001010