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15404424342541 = 135322357655069
BaseRepresentation
bin1110000000101001111100…
…1111011010110000001101
32000112122111211002122012221
43200022133033122300031
54004341230112430131
652432410030455341
73146634665322343
oct340123717326015
960478454078187
1015404424342541
1149a9a85a48a13
121889592664551
13879828364990
143b38144cb993
151baa876a4411
hexe029f3dac0d

15404424342541 has 8 divisors (see below), whose sum is σ = 16902387232920. Its totient is φ = 13951176762432.

The previous prime is 15404424342487. The next prime is 15404424342557. The reversal of 15404424342541 is 14524342440451.

15404424342541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5195568625641 + 10208855716900 = 2279379^2 + 3195130^2 .

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

It is not a de Polignac number, because 15404424342541 - 241 = 13205401086989 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 (15404424346541) 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, 11178826846 + ... + 11178828223.

It is an arithmetic number, because the mean of its divisors is an integer number (2112798404115).

Almost surely, 215404424342541 is an apocalyptic number.

It is an amenable number.

15404424342541 is a deficient number, since it is larger than the sum of its proper divisors (1497962890379).

15404424342541 is a wasteful number, since it uses less digits than its factorization.

15404424342541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22357655135.

The product of its (nonzero) digits is 1228800, while the sum is 43.

Adding to 15404424342541 its reverse (14524342440451), we get a palindrome (29928766782992).

The spelling of 15404424342541 in words is "fifteen trillion, four hundred four billion, four hundred twenty-four million, three hundred forty-two thousand, five hundred forty-one".

Divisors: 1 13 53 689 22357655069 290649515897 1184955718657 15404424342541