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5100126501 = 31891189897
BaseRepresentation
bin1001011111111110…
…11100000100100101
3111011102210021022010
410233333130010211
540421113022001
62202025224433
7240246234321
oct45777340445
914142707263
105100126501
112187985588
12ba4032119
13633817b42
143654c6981
151ecb338d6
hex12ffdc125

5100126501 has 8 divisors (see below), whose sum is σ = 6800603904. Its totient is φ = 3399866720.

The previous prime is 5100126487. The next prime is 5100126511. The reversal of 5100126501 is 1056210015.

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 5100126501 - 25 = 5100126469 is a prime.

It is a super-2 number, since 2×51001265012 = 52022580652405006002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100126511) 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 7 ways as a sum of consecutive naturals, for example, 11785 + ... + 101681.

It is an arithmetic number, because the mean of its divisors is an integer number (850075488).

Almost surely, 25100126501 is an apocalyptic number.

It is an amenable number.

5100126501 is a deficient number, since it is larger than the sum of its proper divisors (1700477403).

5100126501 is a wasteful number, since it uses less digits than its factorization.

5100126501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108811.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5100126501 is about 71415.1699640910. The cubic root of 5100126501 is about 1721.3148523897.

Adding to 5100126501 its reverse (1056210015), we get a palindrome (6156336516).

The spelling of 5100126501 in words is "five billion, one hundred million, one hundred twenty-six thousand, five hundred one".

Divisors: 1 3 18911 56733 89897 269691 1700042167 5100126501