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2111010102 = 232117278339
BaseRepresentation
bin111110111010011…
…0111010100110110
312110010020102110100
41331310313110312
513310404310402
6545250134530
7103212201255
oct17564672466
95403212410
102111010102
11993679153
124aab81446
13278474406
1416051479c
15c54de71c
hex7dd37536

2111010102 has 12 divisors (see below), whose sum is σ = 4573855260. Its totient is φ = 703670028.

The previous prime is 2111010089. The next prime is 2111010133. The reversal of 2111010102 is 2010101112.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58639152 + ... + 58639187.

It is an arithmetic number, because the mean of its divisors is an integer number (381154605).

Almost surely, 22111010102 is an apocalyptic number.

2111010102 is an abundant number, since it is smaller than the sum of its proper divisors (2462845158).

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

2111010102 is a wasteful number, since it uses less digits than its factorization.

2111010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117278347 (or 117278344 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2111010102 is about 45945.7299648183. The cubic root of 2111010102 is about 1282.8132504320.

Adding to 2111010102 its reverse (2010101112), we get a palindrome (4121111214).

It can be divided in two parts, 2111010 and 102, that added together give a palindrome (2111112).

The spelling of 2111010102 in words is "two billion, one hundred eleven million, ten thousand, one hundred two".

Divisors: 1 2 3 6 9 18 117278339 234556678 351835017 703670034 1055505051 2111010102