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103120331232 = 2531074170117
BaseRepresentation
bin110000000001001110…
…0110110000111100000
3100212011122002121000010
41200002130312013200
53142142301044412
6115212310324520
710310263232052
oct1400234660740
9325148077003
10103120331232
113a807814146
1217b9a959740
139955105899
144dc362b8d2
152a3814c33c
hex18027361e0

103120331232 has 24 divisors (see below), whose sum is σ = 270690869736. Its totient is φ = 34373443712.

The previous prime is 103120331183. The next prime is 103120331233. The reversal of 103120331232 is 232133021301.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 103120331199 and 103120331208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120331233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537084963 + ... + 537085154.

It is an arithmetic number, because the mean of its divisors is an integer number (11278786239).

Almost surely, 2103120331232 is an apocalyptic number.

103120331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103120331232 is an abundant number, since it is smaller than the sum of its proper divisors (167570538504).

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

103120331232 is a wasteful number, since it uses less digits than its factorization.

103120331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074170130 (or 1074170122 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103120331232 its reverse (232133021301), we get a palindrome (335253352533).

The spelling of 103120331232 in words is "one hundred three billion, one hundred twenty million, three hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1074170117 2148340234 3222510351 4296680468 6445020702 8593360936 12890041404 17186721872 25780082808 34373443744 51560165616 103120331232