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451031430046 = 25312893301019
BaseRepresentation
bin1101001000000111001…
…00010111001110011110
31121010012011012121122111
412210003210113032132
524342203021230141
6543111224504234
744404656620311
oct6440344271636
91533164177574
10451031430046
1116431053607a
12734b561b07a
13336bbca10b2
1417b898a2978
15baebacc381
hex690391739e

451031430046 has 16 divisors (see below), whose sum is σ = 689847159600. Its totient is φ = 221088981568.

The previous prime is 451031430037. The next prime is 451031430049. The reversal of 451031430046 is 640034130154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451031430049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513876 + ... + 1787143.

It is an arithmetic number, because the mean of its divisors is an integer number (43115447475).

Almost surely, 2451031430046 is an apocalyptic number.

451031430046 is a deficient number, since it is larger than the sum of its proper divisors (238815729554).

451031430046 is a wasteful number, since it uses less digits than its factorization.

451031430046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302363.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 451031430046 in words is "four hundred fifty-one billion, thirty-one million, four hundred thirty thousand, forty-six".

Divisors: 1 2 53 106 1289 2578 68317 136634 3301019 6602038 174954007 349908014 4255013491 8510026982 225515715023 451031430046