Search a number
-
+
7109999427 = 371233143263
BaseRepresentation
bin1101001111100100…
…11111101101000011
3200100111201101122010
412213302133231003
5104030124440202
63133303544003
7341122666206
oct64762375503
920314641563
107109999427
113019455893
12146515b003
1389403ac6b
144b63d193d
152b92e676c
hex1a7c9fb43

7109999427 has 16 divisors (see below), whose sum is σ = 9654847488. Its totient is φ = 4653149760.

The previous prime is 7109999423. The next prime is 7109999431. The reversal of 7109999427 is 7249999017.

It is an interprime number because it is at equal distance from previous prime (7109999423) and next prime (7109999431).

It is not a de Polignac number, because 7109999427 - 22 = 7109999423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7109999423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22003 + ... + 121260.

It is an arithmetic number, because the mean of its divisors is an integer number (603427968).

Almost surely, 27109999427 is an apocalyptic number.

7109999427 is a deficient number, since it is larger than the sum of its proper divisors (2544848061).

7109999427 is a wasteful number, since it uses less digits than its factorization.

7109999427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143570.

The product of its (nonzero) digits is 2571912, while the sum is 57.

The square root of 7109999427 is about 84320.8125375936. The cubic root of 7109999427 is about 1922.8992139835.

The spelling of 7109999427 in words is "seven billion, one hundred nine million, nine hundred ninety-nine thousand, four hundred twenty-seven".

Divisors: 1 3 71 213 233 699 16543 49629 143263 429789 10171673 30515019 33380279 100140837 2369999809 7109999427