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1313000313212 = 227892887182503
BaseRepresentation
bin10011000110110100111…
…010101101000101111100
311122112002020201210100002
4103012310322231011330
5133003011040010322
62443103425253432
7163601241342230
oct23066472550574
94575066653302
101313000313212
114669274a09a5
12192575194278
1396a7a578873
1447799d965c0
152424a3d9c92
hex131b4ead17c

1313000313212 has 48 divisors (see below), whose sum is σ = 2656440622080. Its totient is φ = 556196015232.

The previous prime is 1313000313181. The next prime is 1313000313227. The reversal of 1313000313212 is 2123130003131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7103153 + ... + 7285655.

It is an arithmetic number, because the mean of its divisors is an integer number (55342512960).

Almost surely, 21313000313212 is an apocalyptic number.

It is an amenable number.

1313000313212 is an abundant number, since it is smaller than the sum of its proper divisors (1343440308868).

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

1313000313212 is a wasteful number, since it uses less digits than its factorization.

1313000313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185490 (or 185488 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1313000313212 its reverse (2123130003131), we get a palindrome (3436130316343).

The spelling of 1313000313212 in words is "one trillion, three hundred thirteen billion, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 2887 5774 11548 20209 40418 80836 182503 256943 365006 513886 730012 1027772 1277521 1798601 2555042 3597202 5110084 7194404 16242767 32485534 64971068 113699369 227398738 454797476 526886161 1053772322 2107544644 3688203127 7376406254 14752812508 46892868329 93785736658 187571473316 328250078303 656500156606 1313000313212