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312030003034 = 2156015001517
BaseRepresentation
bin1001000101001100110…
…11111111111101011010
31002211101220111111112001
410202212123333331122
520103014140044114
6355202233511214
731354252156441
oct4424633777532
91084356444461
10312030003034
11110370890672
125058227250a
13235692698b9
1411160b2dd58
1581b38a9374
hex48a66fff5a

312030003034 has 4 divisors (see below), whose sum is σ = 468045004554. Its totient is φ = 156015001516.

The previous prime is 312030003013. The next prime is 312030003049. The reversal of 312030003034 is 430300030213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430300030213 = 1250933439841.

It can be written as a sum of positive squares in only one way, i.e., 311324941225 + 705061809 = 557965^2 + 26553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78007500757 + ... + 78007500760.

Almost surely, 2312030003034 is an apocalyptic number.

312030003034 is a deficient number, since it is larger than the sum of its proper divisors (156015001520).

312030003034 is a wasteful number, since it uses less digits than its factorization.

312030003034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156015001519.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 312030003034 its reverse (430300030213), we get a palindrome (742330033247).

The spelling of 312030003034 in words is "three hundred twelve billion, thirty million, three thousand, thirty-four".

Divisors: 1 2 156015001517 312030003034