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38430442772205 = 3511376294912821
BaseRepresentation
bin10001011110011110010001…
…11000111101011011101101
312001001220200122002120222220
420233033020320331123231
520014121021322202310
6213422411321425553
711044336124532411
oct1057171070753355
9161056618076886
1038430442772205
1111277294079a60
1243880b163b2b9
131859c8a6a2703
1496c086d72d41
154699e6073670
hex22f3c8e3d6ed

38430442772205 has 32 divisors (see below), whose sum is σ = 68891525923968. Its totient is φ = 18129348921600.

The previous prime is 38430442772119. The next prime is 38430442772219. The reversal of 38430442772205 is 50227724403483.

It is not a de Polignac number, because 38430442772205 - 28 = 38430442771949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3147450306 + ... + 3147462515.

It is an arithmetic number, because the mean of its divisors is an integer number (2152860185124).

Almost surely, 238430442772205 is an apocalyptic number.

It is an amenable number.

38430442772205 is a deficient number, since it is larger than the sum of its proper divisors (30461083151763).

38430442772205 is a wasteful number, since it uses less digits than its factorization.

38430442772205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294912877.

The product of its (nonzero) digits is 9031680, while the sum is 51.

The spelling of 38430442772205 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-two million, seven hundred seventy-two thousand, two hundred five".

Divisors: 1 3 5 11 15 33 37 55 111 165 185 407 555 1221 2035 6105 6294912821 18884738463 31474564105 69244041031 94423692315 207732123093 232911774377 346220205155 698735323131 1038660615465 1164558871885 2562029518147 3493676615655 7686088554441 12810147590735 38430442772205