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6981126112 = 25409533399
BaseRepresentation
bin1101000000001101…
…11000011111100000
3200000112012221200101
412200012320133200
5103244132013422
63112421432144
7334666410232
oct64006703740
920015187611
106981126112
112a62733414
121429b6b654
1387342826c
144a3246252
152acd3bc27
hex1a01b87e0

6981126112 has 24 divisors (see below), whose sum is σ = 13777722000. Its totient is φ = 3482022144.

The previous prime is 6981126107. The next prime is 6981126137. The reversal of 6981126112 is 2116211896.

It is a super-2 number, since 2×69811261122 = 97472243583296473088, which contains 22 as substring.

It is a congruent number.

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, 253612 + ... + 279787.

It is an arithmetic number, because the mean of its divisors is an integer number (574071750).

Almost surely, 26981126112 is an apocalyptic number.

It is an amenable number.

6981126112 is a deficient number, since it is larger than the sum of its proper divisors (6796595888).

6981126112 is a wasteful number, since it uses less digits than its factorization.

6981126112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533818 (or 533810 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 6981126112 is about 83553.1334660765. The cubic root of 6981126112 is about 1911.2103757867.

The spelling of 6981126112 in words is "six billion, nine hundred eighty-one million, one hundred twenty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 409 818 1636 3272 6544 13088 533399 1066798 2133596 4267192 8534384 17068768 218160191 436320382 872640764 1745281528 3490563056 6981126112