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2101010022 = 233127306359
BaseRepresentation
bin111110100111010…
…1101111001100110
312102102102100221000
41331032231321212
513300324310042
6544251534130
7103031201436
oct17516557146
95372370830
102101010022
11988a68a21
124a775a346
132763827c7
1415d0702c6
15c46b674c
hex7d3ade66

2101010022 has 32 divisors (see below), whose sum is σ = 4705689600. Its totient is φ = 694819944.

The previous prime is 2101010011. The next prime is 2101010069. The reversal of 2101010022 is 2200101012.

It is a super-2 number, since 2×21010100222 = 8828486225088880968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2101009986 and 2101010013.

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, 146322 + ... + 160037.

It is an arithmetic number, because the mean of its divisors is an integer number (147052800).

Almost surely, 22101010022 is an apocalyptic number.

2101010022 is an abundant number, since it is smaller than the sum of its proper divisors (2604679578).

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

2101010022 is a wasteful number, since it uses less digits than its factorization.

2101010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306497 (or 306491 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2101010022 is about 45836.7758682916. The cubic root of 2101010022 is about 1280.7844357531.

Adding to 2101010022 its reverse (2200101012), we get a palindrome (4301111034).

The spelling of 2101010022 in words is "two billion, one hundred one million, ten thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 127 254 381 762 1143 2286 3429 6858 306359 612718 919077 1838154 2757231 5514462 8271693 16543386 38907593 77815186 116722779 233445558 350168337 700336674 1050505011 2101010022