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7020545108 = 221755136277
BaseRepresentation
bin1101000100111010…
…10000010001010100
3200010021101122101012
412202131100101110
5103334224420413
63120350351352
7335655435353
oct64235202124
920107348335
107020545108
112a82a074a5
12143b1bb558
1387b64a505
144a858799a
152b15267a8
hex1a2750454

7020545108 has 6 divisors (see below), whose sum is σ = 12285953946. Its totient is φ = 3510272552.

The previous prime is 7020545101. The next prime is 7020545137. The reversal of 7020545108 is 8015450207.

It can be written as a sum of positive squares in only one way, i.e., 6344441104 + 676104004 = 79652^2 + 26002^2 .

It is a super-2 number, since 2×70205451082 = 98576107226925463328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020545101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877568135 + ... + 877568142.

It is an arithmetic number, because the mean of its divisors is an integer number (2047658991).

Almost surely, 27020545108 is an apocalyptic number.

It is an amenable number.

7020545108 is a deficient number, since it is larger than the sum of its proper divisors (5265408838).

7020545108 is a wasteful number, since it uses less digits than its factorization.

7020545108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755136281 (or 1755136279 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 7020545108 is about 83788.6931990230. The cubic root of 7020545108 is about 1914.8008489757.

The spelling of 7020545108 in words is "seven billion, twenty million, five hundred forty-five thousand, one hundred eight".

Divisors: 1 2 4 1755136277 3510272554 7020545108