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2956903138 = 272231311847
BaseRepresentation
bin1011000000111110…
…1100001011100010
321122001221020120001
42300033230023202
522023431400023
61205224410214
7133163155600
oct26017541342
97561836501
102956903138
111288105102
126a631696a
133817a5237
142009c8870
151248ce6ad
hexb03ec2e2

2956903138 has 24 divisors (see below), whose sum is σ = 5383824192. Its totient is φ = 1212145704.

The previous prime is 2956903129. The next prime is 2956903153. The reversal of 2956903138 is 8313096592.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653670 + ... + 658177.

It is an arithmetic number, because the mean of its divisors is an integer number (224326008).

Almost surely, 22956903138 is an apocalyptic number.

2956903138 is a deficient number, since it is larger than the sum of its proper divisors (2426921054).

2956903138 is a wasteful number, since it uses less digits than its factorization.

2956903138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311886 (or 1311879 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2956903138 is about 54377.4138590647. The cubic root of 2956903138 is about 1435.3099627868.

The spelling of 2956903138 in words is "two billion, nine hundred fifty-six million, nine hundred three thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 23 46 49 98 161 322 1127 2254 1311847 2623694 9182929 18365858 30172481 60344962 64280503 128561006 211207367 422414734 1478451569 2956903138