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1010322220 = 22550516111
BaseRepresentation
bin111100001110000…
…100101100101100
32121102002200112111
4330032010230230
54032120302340
6244130413404
734015411555
oct7416045454
92542080474
101010322220
11479334046
12242431264
131314125cb
149827732c
155da6eaea
hex3c384b2c

1010322220 has 12 divisors (see below), whose sum is σ = 2121676704. Its totient is φ = 404128880.

The previous prime is 1010322217. The next prime is 1010322233. The reversal of 1010322220 is 222230101.

It is a self number, because there is not a number n which added to its sum of digits gives 1010322220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25258036 + ... + 25258075.

It is an arithmetic number, because the mean of its divisors is an integer number (176806392).

Almost surely, 21010322220 is an apocalyptic number.

1010322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010322220 is an abundant number, since it is smaller than the sum of its proper divisors (1111354484).

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

1010322220 is a wasteful number, since it uses less digits than its factorization.

1010322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50516120 (or 50516118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1010322220 is about 31785.5662211640. The cubic root of 1010322220 is about 1003.4289687343.

Adding to 1010322220 its reverse (222230101), we get a palindrome (1232552321).

It can be divided in two parts, 10103 and 22220, that added together give a palindrome (32323).

The spelling of 1010322220 in words is "one billion, ten million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 50516111 101032222 202064444 252580555 505161110 1010322220