Search a number
-
+
1031021112208 = 24587910960847
BaseRepresentation
bin11110000000011011010…
…01011010101110010000
310122120020122010012110211
433000031221122232100
5113343012401042313
62105351120333504
7134326443566263
oct17001551325620
93576218105424
101031021112208
113682875a270a
1214799aa74294
13762c0080539
1437c8a336cda
151bc44d41e3d
hexf00da5ab90

1031021112208 has 20 divisors (see below), whose sum is σ = 1997943373440. Its totient is φ = 515422822304.

The previous prime is 1031021112133. The next prime is 1031021112239. The reversal of 1031021112208 is 8022111201301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5386360 + ... + 5574487.

It is an arithmetic number, because the mean of its divisors is an integer number (99897168672).

Almost surely, 21031021112208 is an apocalyptic number.

It is an amenable number.

1031021112208 is a deficient number, since it is larger than the sum of its proper divisors (966922261232).

1031021112208 is a wasteful number, since it uses less digits than its factorization.

1031021112208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966734 (or 10966728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 1031021112208 its reverse (8022111201301), we get a palindrome (9053132313509).

The spelling of 1031021112208 in words is "one trillion, thirty-one billion, twenty-one million, one hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 8 16 5879 11758 23516 47032 94064 10960847 21921694 43843388 87686776 175373552 64438819513 128877639026 257755278052 515510556104 1031021112208