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144036472838 = 285991837509
BaseRepresentation
bin1000011000100100111…
…1100010100000000110
3111202210011000221112012
42012021033202200012
54324441314112323
6150100333254222
713256233550456
oct2061117424006
9452704027465
10144036472838
11560a3919a05
1223ab9634372
1310775c1396b
146d85757d66
153b3029d678
hex21893e2806

144036472838 has 8 divisors (see below), whose sum is σ = 216057479760. Its totient is φ = 72017312920.

The previous prime is 144036472837. The next prime is 144036472841. The reversal of 144036472838 is 838274630441.

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

It is a super-2 number, since 2×1440364728382 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144036472831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246773 + ... + 590736.

It is an arithmetic number, because the mean of its divisors is an integer number (27007184970).

Almost surely, 2144036472838 is an apocalyptic number.

144036472838 is a deficient number, since it is larger than the sum of its proper divisors (72021006922).

144036472838 is an equidigital number, since it uses as much as digits as its factorization.

144036472838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923502.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 144036472838 in words is "one hundred forty-four billion, thirty-six million, four hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 85991 171982 837509 1675018 72018236419 144036472838