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2211020012 = 22739747977
BaseRepresentation
bin1000001111001001…
…0111110011101100
312201002102110021002
42003302113303230
514012010120022
61003221455432
7105535234325
oct20362276354
95632373232
102211020012
11a35077073
12518571578
132930bc586
1416d90944c
15ce197092
hex83c97cec

2211020012 has 12 divisors (see below), whose sum is σ = 3874526040. Its totient is φ = 1104012576.

The previous prime is 2211019999. The next prime is 2211020023. The reversal of 2211020012 is 2100201122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2211019975 and 2211020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371033 + ... + 376944.

It is an arithmetic number, because the mean of its divisors is an integer number (322877170).

Almost surely, 22211020012 is an apocalyptic number.

It is an amenable number.

2211020012 is a deficient number, since it is larger than the sum of its proper divisors (1663506028).

2211020012 is a wasteful number, since it uses less digits than its factorization.

2211020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748720 (or 748718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2211020012 is about 47021.4845788603. The cubic root of 2211020012 is about 1302.7594269593.

Adding to 2211020012 its reverse (2100201122), we get a palindrome (4311221134).

The spelling of 2211020012 in words is "two billion, two hundred eleven million, twenty thousand, twelve".

Divisors: 1 2 4 739 1478 2956 747977 1495954 2991908 552755003 1105510006 2211020012