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5197739901 = 31732579967
BaseRepresentation
bin1001101011100111…
…10011011101111101
3111102020110112201020
410311303303131331
541121110134101
62215433334353
7242543026434
oct46563633575
914366415636
105197739901
112227a96a12
1210108673b9
1364ab04253
1437445611b
152064b6136
hex135cf377d

5197739901 has 4 divisors (see below), whose sum is σ = 6930319872. Its totient is φ = 3465159932.

The previous prime is 5197739881. The next prime is 5197739923. The reversal of 5197739901 is 1099377915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5197739901 - 215 = 5197707133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197739971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866289981 + ... + 866289986.

It is an arithmetic number, because the mean of its divisors is an integer number (1732579968).

Almost surely, 25197739901 is an apocalyptic number.

It is an amenable number.

5197739901 is a deficient number, since it is larger than the sum of its proper divisors (1732579971).

5197739901 is a wasteful number, since it uses less digits than its factorization.

5197739901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732579970.

The product of its (nonzero) digits is 535815, while the sum is 51.

The square root of 5197739901 is about 72095.3528391394. The cubic root of 5197739901 is about 1732.2271760863.

The spelling of 5197739901 in words is "five billion, one hundred ninety-seven million, seven hundred thirty-nine thousand, nine hundred one".

Divisors: 1 3 1732579967 5197739901