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38678653382247 = 343743463648239
BaseRepresentation
bin10001100101101100100110…
…11001010010111001100111
312001221122100212011000120000
420302312103121102321213
520032202340231212442
6214132421132312343
711101304042105004
oct1062662331227147
9161848325130500
1038678653382247
111136258553602a
1244082229126b3
1318774c5b17978
1497a0b1c708ab
154711c1c2cd4c
hex232d93652e67

38678653382247 has 80 divisors (see below), whose sum is σ = 60852083128320. Its totient is φ = 24452429335488.

The previous prime is 38678653382233. The next prime is 38678653382323. The reversal of 38678653382247 is 74228335687683.

38678653382247 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 8 + 6 + 533 + 82 + 2 + 4 + 7 = 666.

It is not a de Polignac number, because 38678653382247 - 218 = 38678653120103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678653332247) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 59343154 + ... + 59991392.

It is an arithmetic number, because the mean of its divisors is an integer number (760651039104).

Almost surely, 238678653382247 is an apocalyptic number.

38678653382247 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38678653382247 is a deficient number, since it is larger than the sum of its proper divisors (22173429746073).

38678653382247 is a wasteful number, since it uses less digits than its factorization.

38678653382247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648794 (or 648785 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 72.

The spelling of 38678653382247 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-three million, three hundred eighty-two thousand, two hundred forty-seven".

Divisors: 1 3 9 27 37 43 81 111 129 333 387 463 999 1161 1389 1591 2997 3483 4167 4773 12501 14319 17131 19909 37503 42957 51393 59727 128871 154179 179181 462537 537543 648239 736633 1387611 1612629 1944717 2209899 5834151 6629697 17502453 19889091 23984843 27874277 52507359 59667273 71954529 83622831 215863587 250868493 300134657 647590761 752605479 900403971 1031348249 1942772283 2257816437 2701211913 3094044747 8103635739 9282134241 11104982309 12905790251 24310907217 27846402723 33314946927 38717370753 83539208169 99944840781 116152112259 299834522343 348456336777 477514239287 899503567029 1045369010331 1432542717861 4297628153583 12892884460749 38678653382247