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103431143212 = 2253487882751
BaseRepresentation
bin110000001010011111…
…0011111111100101100
3100212222021221110212221
41200110332133330230
53143311333040322
6115303212205124
710321056132325
oct1402476377454
9325867843787
10103431143212
113a957202851
1218066a697a4
1399a461a9b7
145012a1744c
152a555949c7
hex1814f9ff2c

103431143212 has 12 divisors (see below), whose sum is σ = 184419680256. Its totient is φ = 50739806000.

The previous prime is 103431143191. The next prime is 103431143213. The reversal of 103431143212 is 212341134301.

It is a super-2 number, since 2×1034311432122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103431143213) 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, 243941164 + ... + 243941587.

It is an arithmetic number, because the mean of its divisors is an integer number (15368306688).

Almost surely, 2103431143212 is an apocalyptic number.

It is an amenable number.

103431143212 is a deficient number, since it is larger than the sum of its proper divisors (80988537044).

103431143212 is a wasteful number, since it uses less digits than its factorization.

103431143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487882808 (or 487882806 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103431143212 its reverse (212341134301), we get a palindrome (315772277513).

The spelling of 103431143212 in words is "one hundred three billion, four hundred thirty-one million, one hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 53 106 212 487882751 975765502 1951531004 25857785803 51715571606 103431143212