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15432100142 = 2311949127709
BaseRepresentation
bin11100101111101001…
…10010100100101110
31110211111012220122112
432113310302210232
5223101104201032
611031151244022
71054264454414
oct162764624456
943744186575
1015432100142
1165aa022278
122ba8219612
1315bc219504
14a657832b4
15604c191b2
hex397d3292e

15432100142 has 16 divisors (see below), whose sum is σ = 23907312000. Its totient is φ = 7463255520.

The previous prime is 15432100141. The next prime is 15432100147. The reversal of 15432100142 is 24100123451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15432100141) 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, 56984 + ... + 184692.

It is an arithmetic number, because the mean of its divisors is an integer number (1494207000).

Almost surely, 215432100142 is an apocalyptic number.

15432100142 is a deficient number, since it is larger than the sum of its proper divisors (8475211858).

15432100142 is a wasteful number, since it uses less digits than its factorization.

15432100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129691.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 15432100142 its reverse (24100123451), we get a palindrome (39532223593).

The spelling of 15432100142 in words is "fifteen billion, four hundred thirty-two million, one hundred thousand, one hundred forty-two".

Divisors: 1 2 31 62 1949 3898 60419 120838 127709 255418 3958979 7917958 248904841 497809682 7716050071 15432100142