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1211214035 = 55315130269
BaseRepresentation
bin100100000110001…
…1010100011010011
310010102010001022002
41020030122203103
54440032322120
6320104304215
742005102153
oct11014324323
93112101262
101211214035
11571776039
1229977206b
13163c1c7c5
14b6c0c763
1571503375
hex4831a8d3

1211214035 has 16 divisors (see below), whose sum is σ = 1490736960. Its totient is φ = 944361600.

The previous prime is 1211214031. The next prime is 1211214073. The reversal of 1211214035 is 5304121121.

It is not a de Polignac number, because 1211214035 - 22 = 1211214031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211213998 and 1211214016.

It is not an unprimeable number, because it can be changed into a prime (1211214031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24881 + ... + 55149.

It is an arithmetic number, because the mean of its divisors is an integer number (93171060).

Almost surely, 21211214035 is an apocalyptic number.

1211214035 is a deficient number, since it is larger than the sum of its proper divisors (279522925).

1211214035 is a wasteful number, since it uses less digits than its factorization.

1211214035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30478.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1211214035 is about 34802.5004130450. The cubic root of 1211214035 is about 1065.9585028791.

Adding to 1211214035 its reverse (5304121121), we get a palindrome (6515335156).

The spelling of 1211214035 in words is "one billion, two hundred eleven million, two hundred fourteen thousand, thirty-five".

Divisors: 1 5 53 151 265 755 8003 30269 40015 151345 1604257 4570619 8021285 22853095 242242807 1211214035