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38539277049 = 37131771116959
BaseRepresentation
bin100011111001000111…
…101011001011111001
310200110212110010022110
4203321013223023321
51112412023331144
625412114242533
72533016310210
oct437107531371
9120425403273
1038539277049
1115387465299
127576886449
133832562a60
141c185b0077
15100864a0b9
hex8f91eb2f9

38539277049 has 64 divisors (see below), whose sum is σ = 67907911680. Its totient is φ = 18862986240.

The previous prime is 38539277039. The next prime is 38539277107. The reversal of 38539277049 is 94077293583.

It is not a de Polignac number, because 38539277049 - 24 = 38539277033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38539277049.

It is not an unprimeable number, because it can be changed into a prime (38539277039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271032 + ... + 387990.

It is an arithmetic number, because the mean of its divisors is an integer number (1061061120).

Almost surely, 238539277049 is an apocalyptic number.

38539277049 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

38539277049 is a deficient number, since it is larger than the sum of its proper divisors (29368634631).

38539277049 is a wasteful number, since it uses less digits than its factorization.

38539277049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117070.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 38539277049 in words is "thirty-eight billion, five hundred thirty-nine million, two hundred seventy-seven thousand, forty-nine".

Divisors: 1 3 7 13 17 21 39 51 71 91 119 213 221 273 357 497 663 923 1207 1491 1547 2769 3621 4641 6461 8449 15691 19383 25347 47073 109837 116959 329511 350877 818713 1520467 1988303 2456139 4561401 5964909 8304089 10643269 13918121 24912267 25847939 31929807 41754363 58128623 77543817 107953157 141169513 174385869 180935573 323859471 423508539 542806719 755672099 988186591 1835203669 2267016297 2964559773 5505611007 12846425683 38539277049