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144732346988890 = 25137105644048897
BaseRepresentation
bin100000111010001000100000…
…001000010011100101011010
3200222110021111002222221010211
4200322020200020103211122
5122432243321312121030
61231453042230401334
742325365324012613
oct4072104010234532
9628407432887124
10144732346988890
114213070978aa81
121429612220024a
13629b281355c7b
1427a512395ac0a
1511aec4922c12a
hex83a22021395a

144732346988890 has 16 divisors (see below), whose sum is σ = 262419817462632. Its totient is φ = 57470362599424.

The previous prime is 144732346988857. The next prime is 144732346988891. The reversal of 144732346988890 is 98889643237441.

It can be written as a sum of positive squares in 4 ways, for example, as 114978933089329 + 29753413899561 = 10722823^2 + 5454669^2 .

It is not an unprimeable number, because it can be changed into a prime (144732346988891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52822023079 + ... + 52822025818.

Almost surely, 2144732346988890 is an apocalyptic number.

144732346988890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144732346988890 is a deficient number, since it is larger than the sum of its proper divisors (117687470473742).

144732346988890 is a wasteful number, since it uses less digits than its factorization.

144732346988890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105644049041.

The product of its (nonzero) digits is 2006581248, while the sum is 76.

The spelling of 144732346988890 in words is "one hundred forty-four trillion, seven hundred thirty-two billion, three hundred forty-six million, nine hundred eighty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 137 274 685 1370 105644048897 211288097794 528220244485 1056440488970 14473234698889 28946469397778 72366173494445 144732346988890