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38118170640385 = 51161131253134267
BaseRepresentation
bin10001010101011000101000…
…00001010100000000000001
311222222001122211222200020001
420222230110001110000001
514444012003140443020
6213023125034120001
711012642542313053
oct1052542401240001
9158861584880201
1038118170640385
1111166909651460
124337682280001
1318366b321b054
1495ad020158d3
1546181b2dc50a
hex22ab14054001

38118170640385 has 64 divisors (see below), whose sum is σ = 51127031374848. Its totient is φ = 27048209760000.

The previous prime is 38118170640359. The next prime is 38118170640409. The reversal of 38118170640385 is 58304607181183.

It is not a de Polignac number, because 38118170640385 - 213 = 38118170632193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1112370022 + ... + 1112404288.

It is an arithmetic number, because the mean of its divisors is an integer number (798859865232).

Almost surely, 238118170640385 is an apocalyptic number.

It is an amenable number.

38118170640385 is a deficient number, since it is larger than the sum of its proper divisors (13008860734463).

38118170640385 is a wasteful number, since it uses less digits than its factorization.

38118170640385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37006.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 38118170640385 in words is "thirty-eight trillion, one hundred eighteen billion, one hundred seventy million, six hundred forty thousand, three hundred eighty-five".

Divisors: 1 5 11 55 61 131 305 655 671 1441 2531 3355 7205 7991 12655 27841 34267 39955 87901 139205 154391 171335 331561 376937 439505 771955 1657805 1698301 1884685 2090287 3647171 4488977 8491505 10451435 18235855 20225221 22444885 22993157 49378747 86729777 101126105 114965785 222477431 246893735 273827597 433648885 954027547 1112387155 1369137985 3012103567 4770137735 5290516397 11361600787 15060517835 26452581985 56808003935 58195680367 124977608657 290978401835 624888043285 693057648007 3465288240035 7623634128077 38118170640385