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312320123102 = 21318166366367
BaseRepresentation
bin1001000101101111011…
…10101110000011011110
31002212011010102010102202
410202313232232003132
520104112422414402
6355251120051502
731364404146521
oct4426756560336
91085133363382
10312320123102
111104aa627119
1250643463b92
13235b43b8690
141118b490bb8
1581ce0b5b02
hex48b7bae0de

312320123102 has 16 divisors (see below), whose sum is σ = 507304516992. Its totient is φ = 143351350560.

The previous prime is 312320123077. The next prime is 312320123107. The reversal of 312320123102 is 201321023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320123107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33178478 + ... + 33187889.

It is an arithmetic number, because the mean of its divisors is an integer number (31706532312).

Almost surely, 2312320123102 is an apocalyptic number.

312320123102 is a deficient number, since it is larger than the sum of its proper divisors (194984393890).

312320123102 is a wasteful number, since it uses less digits than its factorization.

312320123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66366563.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312320123102 its reverse (201321023213), we get a palindrome (513641146315).

The spelling of 312320123102 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty-three thousand, one hundred two".

Divisors: 1 2 13 26 181 362 2353 4706 66366367 132732734 862762771 1725525542 12012312427 24024624854 156160061551 312320123102