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4961256912 = 243313998209
BaseRepresentation
bin1001001111011011…
…01100010111010000
3110210202110222001000
410213231230113100
540130040210122
62140144542000
7233641662603
oct44755542720
913722428030
104961256912
112116555827
12b65621900
13610b151a1
14350c9833a
151e08520ac
hex127b6c5d0

4961256912 has 80 divisors (see below), whose sum is σ = 14252560000. Its totient is φ = 1652368896.

The previous prime is 4961256907. The next prime is 4961256919. The reversal of 4961256912 is 2196521694.

It is a super-2 number, since 2×49612569122 = 49228140293735551488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961256919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600264 + ... + 608472.

It is an arithmetic number, because the mean of its divisors is an integer number (178157000).

Almost surely, 24961256912 is an apocalyptic number.

It is an amenable number.

4961256912 is an abundant number, since it is smaller than the sum of its proper divisors (9291303088).

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

4961256912 is a wasteful number, since it uses less digits than its factorization.

4961256912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625 (or 9613 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 4961256912 is about 70436.1903569465. The cubic root of 4961256912 is about 1705.5478397650.

The spelling of 4961256912 in words is "four billion, nine hundred sixty-one million, two hundred fifty-six thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 1399 2798 4197 5596 8209 8394 11192 12591 16418 16788 22384 24627 25182 32836 33576 37773 49254 50364 65672 67152 73881 75546 98508 100728 131344 147762 151092 197016 201456 221643 295524 302184 394032 443286 591048 604368 886572 1182096 1773144 3546288 11484391 22968782 34453173 45937564 68906346 91875128 103359519 137812692 183750256 206719038 275625384 310078557 413438076 551250768 620157114 826876152 1240314228 1653752304 2480628456 4961256912