Search a number
-
+
29687007070 = 257424100101
BaseRepresentation
bin11011101001011110…
…111100011101011110
32211121221100012210101
4123221132330131132
5441244333211240
621345451331314
72100446253010
oct335136743536
984557305711
1029687007070
11116545a5896
125906150b3a
132a51598396
141618a521b0
15b8b40039a
hex6e97bc75e

29687007070 has 16 divisors (see below), whose sum is σ = 61070414688. Its totient is φ = 10178402400.

The previous prime is 29687007041. The next prime is 29687007079. The reversal of 29687007070 is 7070078692.

It is a self number, because there is not a number n which added to its sum of digits gives 29687007070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29687007079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212049981 + ... + 212050120.

It is an arithmetic number, because the mean of its divisors is an integer number (3816900918).

Almost surely, 229687007070 is an apocalyptic number.

29687007070 is an abundant number, since it is smaller than the sum of its proper divisors (31383407618).

29687007070 is a wasteful number, since it uses less digits than its factorization.

29687007070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424100115.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 29687007070 in words is "twenty-nine billion, six hundred eighty-seven million, seven thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 424100101 848200202 2120500505 2968700707 4241001010 5937401414 14843503535 29687007070