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2868738946 = 23159811967
BaseRepresentation
bin1010101011111101…
…0111101110000010
321101221001001000121
42222333113232002
521333344121241
61152355010454
7131042610253
oct25277275602
97357031017
102868738946
111242368037
12680899a2a
13369446a88
141d2dd8b2a
1511bcb6ad1
hexaafd7b82

2868738946 has 32 divisors (see below), whose sum is σ = 4527452160. Its totient is φ = 1361480400.

The previous prime is 2868738941. The next prime is 2868738949. The reversal of 2868738946 is 6498378682.

It is not an unprimeable number, because it can be changed into a prime (2868738941) 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 15 ways as a sum of consecutive naturals, for example, 2966155 + ... + 2967121.

It is an arithmetic number, because the mean of its divisors is an integer number (141482880).

Almost surely, 22868738946 is an apocalyptic number.

2868738946 is a deficient number, since it is larger than the sum of its proper divisors (1658713214).

2868738946 is a wasteful number, since it uses less digits than its factorization.

2868738946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 27869184, while the sum is 61.

The square root of 2868738946 is about 53560.6100226650. The cubic root of 2868738946 is about 1420.9005307477.

The spelling of 2868738946 in words is "two billion, eight hundred sixty-eight million, seven hundred thirty-eight thousand, nine hundred forty-six".

Divisors: 1 2 31 59 62 118 811 967 1622 1829 1934 3658 25141 29977 47849 50282 57053 59954 95698 114106 784237 1483319 1568474 1768643 2966638 3537286 24311347 46269983 48622694 92539966 1434369473 2868738946