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38426611871385 = 32537229100781861
BaseRepresentation
bin10001011110010111001001…
…00011001110111010011001
312001001112210122120200000100
420233023210203032322121
520014040200114341020
6213420535232130013
711044142156443353
oct1057134443167231
9161045718520010
1038426611871385
11112756a8692521
124387402696909
1318597c9b092aa
1496bc0227a0d3
1546986eaa1a90
hex22f2e48cee99

38426611871385 has 48 divisors (see below), whose sum is σ = 68705010962640. Its totient is φ = 19853220165120.

The previous prime is 38426611871293. The next prime is 38426611871399. The reversal of 38426611871385 is 58317811662483.

It is a happy number.

38426611871385 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 6 + 611 + 8 + 7 + 1 + 3 + 8 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 17481271085721 + 20945340785664 = 4181061^2 + 4576608^2 .

It is not a de Polignac number, because 38426611871385 - 215 = 38426611838617 is a prime.

It is a super-2 number, since 2×384266118713852 (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50009646 + ... + 50772215.

It is an arithmetic number, because the mean of its divisors is an integer number (1431354395055).

Almost surely, 238426611871385 is an apocalyptic number.

It is an amenable number.

38426611871385 is a deficient number, since it is larger than the sum of its proper divisors (30278399091255).

38426611871385 is a wasteful number, since it uses less digits than its factorization.

38426611871385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100782138 (or 100782135 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 38426611871385 in words is "thirty-eight trillion, four hundred twenty-six billion, six hundred eleven million, eight hundred seventy-one thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 37 45 111 185 229 333 555 687 1145 1665 2061 3435 8473 10305 25419 42365 76257 127095 381285 100781861 302345583 503909305 907036749 1511727915 3728928857 4535183745 11186786571 18644644285 23079046169 33560359713 55933932855 69237138507 115395230845 167801798565 207711415521 346185692535 853924708253 1038557077605 2561774124759 4269623541265 7685322374277 12808870623795 38426611871385