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38520550538355 = 356197434009921
BaseRepresentation
bin10001100001000110000111…
…01110110011110001110011
312001101112021101202101111010
420300203003232303301303
520022110041414211410
6213532032511522003
711054006103105114
oct1060430356636163
9161345241671433
1038520550538355
1111301523606386
1243a165a529303
13186561a927332
149725942c420b
1546c01badac20
hex2308c3bb3c73

38520550538355 has 32 divisors (see below), whose sum is σ = 63289062865728. Its totient is φ = 19999177113600.

The previous prime is 38520550538303. The next prime is 38520550538357. The reversal of 38520550538355 is 55383505502583.

38520550538355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38520550538355 - 27 = 38520550538227 is a prime.

It is a super-2 number, since 2×385205505383552 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38520550538295 and 38520550538304.

It is not an unprimeable number, because it can be changed into a prime (38520550538357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216916206 + ... + 217093715.

It is an arithmetic number, because the mean of its divisors is an integer number (1977783214554).

Almost surely, 238520550538355 is an apocalyptic number.

38520550538355 is a deficient number, since it is larger than the sum of its proper divisors (24768512327373).

38520550538355 is a wasteful number, since it uses less digits than its factorization.

38520550538355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434010087.

The product of its (nonzero) digits is 54000000, while the sum is 57.

The spelling of 38520550538355 in words is "thirty-eight trillion, five hundred twenty billion, five hundred fifty million, five hundred thirty-eight thousand, three hundred fifty-five".

Divisors: 1 3 5 15 61 97 183 291 305 485 915 1455 5917 17751 29585 88755 434009921 1302029763 2170049605 6510148815 26474605181 42098962337 79423815543 126296887011 132373025905 210494811685 397119077715 631484435055 2568036702557 7704110107671 12840183512785 38520550538355