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5681257454 = 250910315413
BaseRepresentation
bin1010100101010000…
…10001101111101110
3112122221021210002202
411102220101233232
543113400214304
62335425021502
7260533614545
oct52250215756
915587253082
105681257454
112455a158a4
121126784892
136c7038002
143bc75b15c
15233b7581e
hex152a11bee

5681257454 has 16 divisors (see below), whose sum is σ = 8548489440. Its totient is φ = 2831774880.

The previous prime is 5681257447. The next prime is 5681257513. The reversal of 5681257454 is 4547521865.

It is a junction number, because it is equal to n+sod(n) for n = 5681257399 and 5681257408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1046852 + ... + 1052264.

It is an arithmetic number, because the mean of its divisors is an integer number (534280590).

Almost surely, 25681257454 is an apocalyptic number.

5681257454 is a deficient number, since it is larger than the sum of its proper divisors (2867231986).

5681257454 is a wasteful number, since it uses less digits than its factorization.

5681257454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955.

The product of its digits is 1344000, while the sum is 47.

The square root of 5681257454 is about 75374.1166051052. The cubic root of 5681257454 is about 1784.3559366669.

The spelling of 5681257454 in words is "five billion, six hundred eighty-one million, two hundred fifty-seven thousand, four hundred fifty-four".

Divisors: 1 2 509 1018 1031 2062 5413 10826 524779 1049558 2755217 5510434 5580803 11161606 2840628727 5681257454