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1202135233 = 132412571493
BaseRepresentation
bin100011110100111…
…0010000011000001
310002210000210112011
41013221302003001
54430221311413
6315141532521
741534660305
oct10751620301
93083023464
101202135233
11567634aa2
12296714141
13162091330
14b5927d05
157080d33d
hex47a720c1

1202135233 has 16 divisors (see below), whose sum is σ = 1305911376. Its totient is φ = 1100021760.

The previous prime is 1202135213. The next prime is 1202135251. The reversal of 1202135233 is 3325312021.

It can be written as a sum of positive squares in 8 ways, for example, as 253987969 + 948147264 = 15937^2 + 30792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202135233 - 213 = 1202127041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202135213) 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, 804435 + ... + 805927.

It is an arithmetic number, because the mean of its divisors is an integer number (81619461).

Almost surely, 21202135233 is an apocalyptic number.

1202135233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1202135233 is a deficient number, since it is larger than the sum of its proper divisors (103776143).

1202135233 is a wasteful number, since it uses less digits than its factorization.

1202135233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1202135233 is about 34671.8218875213. The cubic root of 1202135233 is about 1063.2884800630.

Adding to 1202135233 its reverse (3325312021), we get a palindrome (4527447254).

The spelling of 1202135233 in words is "one billion, two hundred two million, one hundred thirty-five thousand, two hundred thirty-three".

Divisors: 1 13 241 257 1493 3133 3341 19409 61937 359813 383701 805181 4677569 4988113 92471941 1202135233