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5431087739 = 71170533607
BaseRepresentation
bin1010000111011011…
…11101001001111011
3112000111112211202202
411003231331021323
542110324301424
62254531020415
7251405325020
oct50355751173
915014484682
105431087739
112337786670
121076a3a70b
136872662ac
14397439547
1521bc0b2ae
hex143b7d27b

5431087739 has 8 divisors (see below), whose sum is σ = 6771226368. Its totient is φ = 4232016360.

The previous prime is 5431087729. The next prime is 5431087751. The reversal of 5431087739 is 9377801345.

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

It is not a de Polignac number, because 5431087739 - 216 = 5431022203 is a prime.

It is a super-2 number, since 2×54310877392 = 58993428057432264242, 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 = 5431087693 and 5431087702.

It is not an unprimeable number, because it can be changed into a prime (5431087729) 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, 35266727 + ... + 35266880.

It is an arithmetic number, because the mean of its divisors is an integer number (846403296).

Almost surely, 25431087739 is an apocalyptic number.

5431087739 is a deficient number, since it is larger than the sum of its proper divisors (1340138629).

5431087739 is a wasteful number, since it uses less digits than its factorization.

5431087739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70533625.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 5431087739 is about 73695.9139912112. The cubic root of 5431087739 is about 1757.7709102310.

The spelling of 5431087739 in words is "five billion, four hundred thirty-one million, eighty-seven thousand, seven hundred thirty-nine".

Divisors: 1 7 11 77 70533607 493735249 775869677 5431087739