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1541442402431 = 19728141966457
BaseRepresentation
bin10110011011100101001…
…000000111100001111111
312110100201202211022101022
4112123211020013201333
5200223333223334211
63140043500134355
7216236244144161
oct26334510074177
95410652738338
101541442402431
115447a4061758
1220a8a9b373bb
13b2485272819
145486b626931
152a16a7eebdb
hex166e520787f

1541442402431 has 16 divisors (see below), whose sum is σ = 1558514532960. Its totient is φ = 1524490007040.

The previous prime is 1541442402419. The next prime is 1541442402457. The reversal of 1541442402431 is 1342042441451.

It is a cyclic number.

It is not a de Polignac number, because 1541442402431 - 210 = 1541442401407 is a prime.

It is a super-2 number, since 2×15414424024312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1541442402391 and 1541442402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541442402931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23161355 + ... + 23227811.

It is an arithmetic number, because the mean of its divisors is an integer number (97407158310).

Almost surely, 21541442402431 is an apocalyptic number.

1541442402431 is a deficient number, since it is larger than the sum of its proper divisors (17072130529).

1541442402431 is a wasteful number, since it uses less digits than its factorization.

1541442402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67354.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 1541442402431 its reverse (1342042441451), we get a palindrome (2883484843882).

The spelling of 1541442402431 in words is "one trillion, five hundred forty-one billion, four hundred forty-two million, four hundred two thousand, four hundred thirty-one".

Divisors: 1 197 281 419 55357 66457 82543 117739 13092029 18674417 23194583 27845483 3678860149 5485560151 7824580723 1541442402431