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144607444737 = 3734739198223
BaseRepresentation
bin1000011010101101000…
…1100111111100000001
3111211020221102022201120
42012223101213330001
54332124001212422
6150233131222453
713306335666540
oct2065321477401
9454227368646
10144607444737
1156367150608
12240388a7a29
13108372b7a62
146ddb506157
153b6548545c
hex21ab467f01

144607444737 has 16 divisors (see below), whose sum is σ = 220361656320. Its totient is φ = 82630030032.

The previous prime is 144607444693. The next prime is 144607444769. The reversal of 144607444737 is 737444706441.

It is not a de Polignac number, because 144607444737 - 26 = 144607444673 is a prime.

It is a super-2 number, since 2×1446074447372 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144607444737.

It is not an unprimeable number, because it can be changed into a prime (144607444237) 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, 630408 + ... + 828630.

It is an arithmetic number, because the mean of its divisors is an integer number (13772603520).

Almost surely, 2144607444737 is an apocalyptic number.

It is an amenable number.

144607444737 is a deficient number, since it is larger than the sum of its proper divisors (75754211583).

144607444737 is a wasteful number, since it uses less digits than its factorization.

144607444737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232972.

The product of its (nonzero) digits is 6322176, while the sum is 51.

The spelling of 144607444737 in words is "one hundred forty-four billion, six hundred seven million, four hundred forty-four thousand, seven hundred thirty-seven".

Divisors: 1 3 7 21 34739 104217 198223 243173 594669 729519 1387561 4162683 6886068797 20658206391 48202481579 144607444737