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2851692142 = 21328436959
BaseRepresentation
bin1010100111111001…
…0101111001101110
321100201221222012111
42221332111321232
521320013122032
61150545354234
7130444661155
oct25176257156
97321858174
102851692142
111233784572
1267703897a
13365a58900
141d0a3c59c
1511a54ac47
hexa9f95e6e

2851692142 has 12 divisors (see below), whose sum is σ = 4631891040. Its totient is φ = 1316165448.

The previous prime is 2851692133. The next prime is 2851692143. The reversal of 2851692142 is 2412961582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2851692095 and 2851692104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851692143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4218142 + ... + 4218817.

It is an arithmetic number, because the mean of its divisors is an integer number (385990920).

Almost surely, 22851692142 is an apocalyptic number.

2851692142 is a deficient number, since it is larger than the sum of its proper divisors (1780198898).

2851692142 is a wasteful number, since it uses less digits than its factorization.

2851692142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436987 (or 8436974 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 2851692142 is about 53401.2372703105. The cubic root of 2851692142 is about 1418.0804821953.

The spelling of 2851692142 in words is "two billion, eight hundred fifty-one million, six hundred ninety-two thousand, one hundred forty-two".

Divisors: 1 2 13 26 169 338 8436959 16873918 109680467 219360934 1425846071 2851692142