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5211010729 = 29531176459
BaseRepresentation
bin1001101101001100…
…11011011010101001
3111110011102202212101
410312212123122221
541133004320404
62221030013401
7243063601051
oct46646333251
914404382771
105211010729
112234530541
1210151a7261
1365079c802
1437610c561
152077382a4
hex13699b6a9

5211010729 has 4 divisors (see below), whose sum is σ = 5211216720. Its totient is φ = 5210804740.

The previous prime is 5211010723. The next prime is 5211010741. The reversal of 5211010729 is 9270101125.

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 5211010729 - 27 = 5211010601 is a prime.

It is a super-2 number, since 2×52110107292 = 54309265635506222882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5211010697 and 5211010706.

It is not an unprimeable number, because it can be changed into a prime (5211010723) 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, 58699 + ... + 117760.

It is an arithmetic number, because the mean of its divisors is an integer number (1302804180).

Almost surely, 25211010729 is an apocalyptic number.

It is an amenable number.

5211010729 is a deficient number, since it is larger than the sum of its proper divisors (205991).

5211010729 is a wasteful number, since it uses less digits than its factorization.

5211010729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205990.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 5211010729 is about 72187.3308067281. The cubic root of 5211010729 is about 1733.7001593904.

The spelling of 5211010729 in words is "five billion, two hundred eleven million, ten thousand, seven hundred twenty-nine".

Divisors: 1 29531 176459 5211010729