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8049402068 = 225213862477
BaseRepresentation
bin1110111111100100…
…00010000011010100
3202202222100222210112
413133302002003110
5112441121331233
63410422342152
7403320534341
oct73762020324
922688328715
108049402068
11346074aa04
12168788a958
139b384c306
145650877c8
15321a08048
hex1dfc820d4

8049402068 has 12 divisors (see below), whose sum is σ = 14113494612. Its totient is φ = 4016975040.

The previous prime is 8049402017. The next prime is 8049402091. The reversal of 8049402068 is 8602049408.

It can be written as a sum of positive squares in 2 ways, for example, as 815559364 + 7233842704 = 28558^2 + 85052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929155 + ... + 1933322.

It is an arithmetic number, because the mean of its divisors is an integer number (1176124551).

Almost surely, 28049402068 is an apocalyptic number.

It is an amenable number.

8049402068 is a deficient number, since it is larger than the sum of its proper divisors (6064092544).

8049402068 is a wasteful number, since it uses less digits than its factorization.

8049402068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863002 (or 3863000 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 8049402068 is about 89718.4600179918. The cubic root of 8049402068 is about 2004.1083937715.

The spelling of 8049402068 in words is "eight billion, forty-nine million, four hundred two thousand, sixty-eight".

Divisors: 1 2 4 521 1042 2084 3862477 7724954 15449908 2012350517 4024701034 8049402068