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3081628116 = 2232712228683
BaseRepresentation
bin1011011110101101…
…1110100111010100
321221202121221001200
42313223132213110
522302344044431
61225441552500
7136236256350
oct26753364724
97852557050
103081628116
1113415538a6
12720045730
133a15949b8
142133b4460
15130819ee6
hexb7ade9d4

3081628116 has 36 divisors (see below), whose sum is σ = 8902481952. Its totient is φ = 880465104.

The previous prime is 3081628111. The next prime is 3081628117. The reversal of 3081628116 is 6118261803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081628111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6114090 + ... + 6114593.

Almost surely, 23081628116 is an apocalyptic number.

3081628116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3081628116 is an abundant number, since it is smaller than the sum of its proper divisors (5820853836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081628116 is a wasteful number, since it uses less digits than its factorization.

3081628116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228700 (or 12228695 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3081628116 is about 55512.4140710886. The cubic root of 3081628116 is about 1455.2135924786.

Adding to 3081628116 its reverse (6118261803), we get a palindrome (9199889919).

The spelling of 3081628116 in words is "three billion, eighty-one million, six hundred twenty-eight thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 12228683 24457366 36686049 48914732 73372098 85600781 110058147 146744196 171201562 220116294 256802343 342403124 440232588 513604686 770407029 1027209372 1540814058 3081628116