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238896239765 = 5317919509697
BaseRepresentation
bin1101111001111101010…
…0110101010010010101
3211211122002102101121012
43132133110311102111
512403224414133030
6301425235302005
723155033350641
oct3363724652225
9754562371535
10238896239765
11923517768a7
123a371a4a905
13196b2805371
14b7c3c51c21
1563330d1095
hex379f535495

238896239765 has 16 divisors (see below), whose sum is σ = 299668961280. Its totient is φ = 182610754560.

The previous prime is 238896239761. The next prime is 238896239831. The reversal of 238896239765 is 567932698832.

It is not a de Polignac number, because 238896239765 - 22 = 238896239761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238896239695 and 238896239704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238896239761) 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, 9742604 + ... + 9767093.

It is an arithmetic number, because the mean of its divisors is an integer number (18729310080).

Almost surely, 2238896239765 is an apocalyptic number.

It is an amenable number.

238896239765 is a deficient number, since it is larger than the sum of its proper divisors (60772721515).

238896239765 is a wasteful number, since it uses less digits than its factorization.

238896239765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509812.

The product of its digits is 235146240, while the sum is 68.

The spelling of 238896239765 in words is "two hundred thirty-eight billion, eight hundred ninety-six million, two hundred thirty-nine thousand, seven hundred sixty-five".

Divisors: 1 5 31 79 155 395 2449 12245 19509697 97548485 604800607 1541266063 3024003035 7706330315 47779247953 238896239765