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5157939757 = 17734156277
BaseRepresentation
bin1001100110110111…
…11110101000101101
3111022110120111011211
410303123332220231
541030413033012
62211452314421
7241550523145
oct46333765055
914273514154
105157939757
112207582533
12bbb472a11
136427aa679
1436d055925
15202c536a7
hex1336fea2d

5157939757 has 8 divisors (see below), whose sum is σ = 5536162296. Its totient is φ = 4788029952.

The previous prime is 5157939737. The next prime is 5157939763. The reversal of 5157939757 is 7579397515.

It can be written as a sum of positive squares in 4 ways, for example, as 432889636 + 4725050121 = 20806^2 + 68739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5157939757 - 219 = 5157415469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157939737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076898 + ... + 2079379.

It is an arithmetic number, because the mean of its divisors is an integer number (692020287).

Almost surely, 25157939757 is an apocalyptic number.

It is an amenable number.

5157939757 is a deficient number, since it is larger than the sum of its proper divisors (378222539).

5157939757 is a wasteful number, since it uses less digits than its factorization.

5157939757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156367.

The product of its digits is 10418625, while the sum is 58.

The square root of 5157939757 is about 71818.7980754343. The cubic root of 5157939757 is about 1727.7945050496.

The spelling of 5157939757 in words is "five billion, one hundred fifty-seven million, nine hundred thirty-nine thousand, seven hundred fifty-seven".