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3081773968 = 2471311318731
BaseRepresentation
bin1011011110110000…
…0010001110010000
321221202220100010121
42313230002032100
522302413231333
61225445040024
7136240434520
oct26754021620
97852810117
103081773968
111341643439
127200b6014
133a16161c0
14213411680
1513084832d
hexb7b02390

3081773968 has 80 divisors (see below), whose sum is σ = 7414275456. Its totient is φ = 1208309760.

The previous prime is 3081773939. The next prime is 3081773977. The reversal of 3081773968 is 8693771803.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155163 + ... + 173893.

Almost surely, 23081773968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081773968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3707137728).

3081773968 is an abundant number, since it is smaller than the sum of its proper divisors (4332501488).

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

3081773968 is a wasteful number, since it uses less digits than its factorization.

3081773968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872 (or 18866 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 3081773968 is about 55513.7277436852. The cubic root of 3081773968 is about 1455.2365503066.

The spelling of 3081773968 in words is "three billion, eighty-one million, seven hundred seventy-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 113 182 208 226 364 452 728 791 904 1456 1469 1582 1808 2938 3164 5876 6328 10283 11752 12656 18731 20566 23504 37462 41132 74924 82264 131117 149848 164528 243503 262234 299696 487006 524468 974012 1048936 1704521 1948024 2097872 2116603 3409042 3896048 4233206 6818084 8466412 13636168 14816221 16932824 27272336 27515839 29632442 33865648 55031678 59264884 110063356 118529768 192610873 220126712 237059536 385221746 440253424 770443492 1540886984 3081773968