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39190137077 = 7131725332991
BaseRepresentation
bin100100011111111010…
…100000100011110101
310202011020011020102102
4210133322200203311
51120230133341302
630000444351445
72555111445260
oct443772404365
9122136136372
1039190137077
11156908a1043
127718845585
133907358330
141c7abd5cd7
151045862702
hex91fea08f5

39190137077 has 16 divisors (see below), whose sum is σ = 51071311872. Its totient is φ = 29183604480.

The previous prime is 39190137071. The next prime is 39190137079. The reversal of 39190137077 is 77073109193.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39190137077 - 24 = 39190137061 is a prime.

It is a super-2 number, since 2×391901370772 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39190137071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12664949 + ... + 12668042.

It is an arithmetic number, because the mean of its divisors is an integer number (3191956992).

Almost surely, 239190137077 is an apocalyptic number.

It is an amenable number.

39190137077 is a deficient number, since it is larger than the sum of its proper divisors (11881174795).

39190137077 is a wasteful number, since it uses less digits than its factorization.

39190137077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25333028.

The product of its (nonzero) digits is 250047, while the sum is 47.

The spelling of 39190137077 in words is "thirty-nine billion, one hundred ninety million, one hundred thirty-seven thousand, seventy-seven".

Divisors: 1 7 13 17 91 119 221 1547 25332991 177330937 329328883 430660847 2305302181 3014625929 5598591011 39190137077