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312450743016 = 233220172151509
BaseRepresentation
bin1001000101111111000…
…00111111101011101000
31002212111020012022021100
410202333200333223220
520104344342234031
6355312103441400
731400551331556
oct4427740775350
91085436168240
10312450743016
11110567331865
125067b156260
1323605490379
14111a0972bd6
1581da7b7de6
hex48bf83fae8

312450743016 has 48 divisors (see below), whose sum is σ = 846640700100. Its totient is φ = 104098563072.

The previous prime is 312450742987. The next prime is 312450743021. The reversal of 312450743016 is 610347054213.

It can be written as a sum of positive squares in 2 ways, for example, as 311397480900 + 1053262116 = 558030^2 + 32454^2 .

It is a super-2 number, since 2×3124507430162 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930531 + ... + 1220978.

Almost surely, 2312450743016 is an apocalyptic number.

312450743016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

312450743016 is an abundant number, since it is smaller than the sum of its proper divisors (534189957084).

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

312450743016 is a wasteful number, since it uses less digits than its factorization.

312450743016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153538 (or 2153531 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 312450743016 its reverse (610347054213), we get a palindrome (922797797229).

The spelling of 312450743016 in words is "three hundred twelve billion, four hundred fifty million, seven hundred forty-three thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2017 4034 6051 8068 12102 16136 18153 24204 36306 48408 72612 145224 2151509 4303018 6454527 8606036 12909054 17212072 19363581 25818108 38727162 51636216 77454324 154908648 4339593653 8679187306 13018780959 17358374612 26037561918 34716749224 39056342877 52075123836 78112685754 104150247672 156225371508 312450743016