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144744022274 = 237252864873
BaseRepresentation
bin1000011011001101101…
…0101000000100000010
3111211121110102011212212
42012303122220010002
54332413432203044
6150254450422122
713312614614015
oct2066332500402
9454543364785
10144744022274
1156427255305
1224076591942
1310859697377
1470116d937c
153b72462a9e
hex21b36a8102

144744022274 has 12 divisors (see below), whose sum is σ = 223142633154. Its totient is φ = 70416009504.

The previous prime is 144744022261. The next prime is 144744022309. The reversal of 144744022274 is 472220447441.

It can be written as a sum of positive squares in 3 ways, for example, as 129738997249 + 15005025025 = 360193^2 + 122495^2 .

It is a super-3 number, since 3×1447440222743 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26429699 + ... + 26435174.

Almost surely, 2144744022274 is an apocalyptic number.

144744022274 is a deficient number, since it is larger than the sum of its proper divisors (78398610880).

144744022274 is an equidigital number, since it uses as much as digits as its factorization.

144744022274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52864949 (or 52864912 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 41.

The spelling of 144744022274 in words is "one hundred forty-four billion, seven hundred forty-four million, twenty-two thousand, two hundred seventy-four".

Divisors: 1 2 37 74 1369 2738 52864873 105729746 1956000301 3912000602 72372011137 144744022274