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344425236637 = 4096131373761
BaseRepresentation
bin1010000001100010101…
…10000000100010011101
31012221000120211212200211
411000301112000202131
521120340330033022
6422120552052421
733612115130566
oct5006126004235
91187016755624
10344425236637
111230850810a9
1256903394111
132662c93bc91
141295531716d
158e5c916e77
hex503158089d

344425236637 has 8 divisors (see below), whose sum is σ = 345830845880. Its totient is φ = 343022376960.

The previous prime is 344425236619. The next prime is 344425236643. The reversal of 344425236637 is 736632524443.

It can be written as a sum of positive squares in 4 ways, for example, as 64022156676 + 280403079961 = 253026^2 + 529531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344425236637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344425236667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436164 + ... + 937597.

It is an arithmetic number, because the mean of its divisors is an integer number (43228855735).

Almost surely, 2344425236637 is an apocalyptic number.

It is an amenable number.

344425236637 is a deficient number, since it is larger than the sum of its proper divisors (1405609243).

344425236637 is a wasteful number, since it uses less digits than its factorization.

344425236637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374783.

The product of its digits is 8709120, while the sum is 49.

The spelling of 344425236637 in words is "three hundred forty-four billion, four hundred twenty-five million, two hundred thirty-six thousand, six hundred thirty-seven".

Divisors: 1 409 613 250717 1373761 561868249 842115493 344425236637