Search a number
-
+
1202115012 = 223737693797
BaseRepresentation
bin100011110100110…
…1101000111000100
310002202222202210020
41013221231013010
54430220140022
6315141255140
741534544330
oct10751550704
93082882706
101202115012
1156762088a
122967044b0
13162085077
14b59207c0
157080735c
hex47a6d1c4

1202115012 has 48 divisors (see below), whose sum is σ = 3207335040. Its totient is φ = 343279872.

The previous prime is 1202115011. The next prime is 1202115041. The reversal of 1202115012 is 2105112021.

It is a junction number, because it is equal to n+sod(n) for n = 1202114982 and 1202115000.

It is not an unprimeable number, because it can be changed into a prime (1202115011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314698 + ... + 318494.

It is an arithmetic number, because the mean of its divisors is an integer number (66819480).

Almost surely, 21202115012 is an apocalyptic number.

1202115012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202115012 is an abundant number, since it is smaller than the sum of its proper divisors (2005220028).

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

1202115012 is a wasteful number, since it uses less digits than its factorization.

1202115012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7578 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1202115012 is about 34671.5302806207. The cubic root of 1202115012 is about 1063.2825182055.

Adding to 1202115012 its reverse (2105112021), we get a palindrome (3307227033).

The spelling of 1202115012 in words is "one billion, two hundred two million, one hundred fifteen thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3769 3797 7538 7594 11307 11391 15076 15188 22614 22782 26383 26579 45228 45564 52766 53158 79149 79737 105532 106316 158298 159474 316596 318948 14310893 28621786 42932679 57243572 85865358 100176251 171730716 200352502 300528753 400705004 601057506 1202115012