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1201131032 = 23150141379
BaseRepresentation
bin100011110010111…
…1100111000011000
310002201010210000112
41013211330320120
54424442143112
6315104223452
741523305513
oct10745747030
93081123015
101201131032
11567009582
1229630ab88
13161acc22a
14b5745d7a
15706b0a22
hex4797ce18

1201131032 has 8 divisors (see below), whose sum is σ = 2252120700. Its totient is φ = 600565512.

The previous prime is 1201131031. The next prime is 1201131049. The reversal of 1201131032 is 2301311021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1201130998 and 1201131016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201131031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75070682 + ... + 75070697.

Almost surely, 21201131032 is an apocalyptic number.

It is an amenable number.

1201131032 is a deficient number, since it is larger than the sum of its proper divisors (1050989668).

1201131032 is a wasteful number, since it uses less digits than its factorization.

1201131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150141385 (or 150141381 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1201131032 is about 34657.3373472343. The cubic root of 1201131032 is about 1062.9923256928.

Adding to 1201131032 its reverse (2301311021), we get a palindrome (3502442053).

The spelling of 1201131032 in words is "one billion, two hundred one million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 150141379 300282758 600565516 1201131032