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4969591968 = 253113192389
BaseRepresentation
bin1001010000011010…
…11111010010100000
3110211100011102120210
410220031133102200
540134203420333
62141043334120
7234102556215
oct45015372240
913740142523
104969591968
112120229000
12b68381340
13612772c83
14352027b0c
151e144ba63
hex12835f4a0

4969591968 has 384 divisors, whose sum is σ = 15937689600. Its totient is φ = 1349314560.

The previous prime is 4969591967. The next prime is 4969591973. The reversal of 4969591968 is 8691959694.

It is a super-2 number, since 2×49695919682 = 49393688656820226048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 4969591899 and 4969591908.

It is not an unprimeable number, because it can be changed into a prime (4969591967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55838068 + ... + 55838156.

It is an arithmetic number, because the mean of its divisors is an integer number (41504400).

Almost surely, 24969591968 is an apocalyptic number.

4969591968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4969591968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7968844800).

4969591968 is an abundant number, since it is smaller than the sum of its proper divisors (10968097632).

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

4969591968 is a wasteful number, since it uses less digits than its factorization.

4969591968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 147 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 66.

The square root of 4969591968 is about 70495.3329519054. The cubic root of 4969591968 is about 1706.5024287212.

The spelling of 4969591968 in words is "four billion, nine hundred sixty-nine million, five hundred ninety-one thousand, nine hundred sixty-eight".