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316316321968 = 24192117396673
BaseRepresentation
bin1001001101001011110…
…11000000100010110000
31010020110121222001201011
410212211323000202300
520140303434300333
6401151432320304
731565420242213
oct4464573004260
91106417861634
10316316321968
11112170354509
1251379843094
1323aa02a8baa
141144a0d577a
158364d399cd
hex49a5ec08b0

316316321968 has 80 divisors (see below), whose sum is σ = 649150614400. Its totient is φ = 148899824640.

The previous prime is 316316321921. The next prime is 316316321969. The reversal of 316316321968 is 869123613613.

It is not an unprimeable number, because it can be changed into a prime (316316321969) 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, 47399080 + ... + 47405752.

It is an arithmetic number, because the mean of its divisors is an integer number (8114382680).

Almost surely, 2316316321968 is an apocalyptic number.

316316321968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316316321968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324575307200).

316316321968 is an abundant number, since it is smaller than the sum of its proper divisors (332834292432).

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

316316321968 is a wasteful number, since it uses less digits than its factorization.

316316321968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650 (or 7644 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The spelling of 316316321968 in words is "three hundred sixteen billion, three hundred sixteen million, three hundred twenty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 211 304 422 739 844 1478 1688 2956 3376 4009 5912 6673 8018 11824 13346 14041 16036 26692 28082 32072 53384 56164 64144 106768 112328 126787 155929 224656 253574 311858 507148 623716 1014296 1247432 1408003 2028592 2494864 2816006 2962651 4931347 5632012 5925302 9862694 11264024 11850604 19725388 22528048 23701208 26752057 39450776 47402416 53504114 78901552 93695593 107008228 187391186 214016456 374782372 428032912 749564744 1040514217 1499129488 2081028434 4162056868 8324113736 16648227472 19769770123 39539540246 79079080492 158158160984 316316321968