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312114012 = 22375971887
BaseRepresentation
bin10010100110100…
…111101101011100
3210202022000221020
4102212213231130
51114400122022
650545404140
710506632250
oct2246475534
9722260836
10312114012
111501a8971
1288639650
134c87c962
142d648260
151c60335c
hex129a7b5c

312114012 has 96 divisors (see below), whose sum is σ = 859299840. Its totient is φ = 86331840.

The previous prime is 312114001. The next prime is 312114013. The reversal of 312114012 is 210411213.

It is a super-2 number, since 2×3121140122 = 194830312973472288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312113982 and 312114000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312114013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351433 + ... + 352319.

It is an arithmetic number, because the mean of its divisors is an integer number (8951040).

Almost surely, 2312114012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312114012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429649920).

312114012 is an abundant number, since it is smaller than the sum of its proper divisors (547185828).

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

312114012 is a wasteful number, since it uses less digits than its factorization.

312114012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 312114012 is about 17666.7487671048. The cubic root of 312114012 is about 678.3248936697.

Adding to 312114012 its reverse (210411213), we get a palindrome (522525225).

The spelling of 312114012 in words is "three hundred twelve million, one hundred fourteen thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 59 71 84 118 142 177 213 236 284 354 413 426 497 708 826 852 887 994 1239 1491 1652 1774 1988 2478 2661 2982 3548 4189 4956 5322 5964 6209 8378 10644 12418 12567 16756 18627 24836 25134 29323 37254 50268 52333 58646 62977 74508 87969 104666 117292 125954 156999 175938 188931 209332 251908 313998 351876 366331 377862 440839 627996 732662 755724 881678 1098993 1322517 1465324 1763356 2197986 2645034 3715643 4395972 5290068 7431286 11146929 14862572 22293858 26009501 44587716 52019002 78028503 104038004 156057006 312114012