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3196420545 = 351971081699
BaseRepresentation
bin1011111010000101…
…1000000111000001
322020202121222200010
42332201120013001
523021240424140
61245102215133
7142132061223
oct27641300701
98222558603
103196420545
1113a032907a
127525844a9
133bc2b7506
14224736413
1513a942880
hexbe8581c1

3196420545 has 16 divisors (see below), whose sum is σ = 5140238400. Its totient is φ = 1696102464.

The previous prime is 3196420541. The next prime is 3196420547. The reversal of 3196420545 is 5450246913.

It is not a de Polignac number, because 3196420545 - 22 = 3196420541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3196420541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537895 + ... + 543804.

It is an arithmetic number, because the mean of its divisors is an integer number (321264900).

Almost surely, 23196420545 is an apocalyptic number.

It is an amenable number.

3196420545 is a deficient number, since it is larger than the sum of its proper divisors (1943817855).

3196420545 is a wasteful number, since it uses less digits than its factorization.

3196420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081904.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 3196420545 is about 56536.8954312138. The cubic root of 3196420545 is about 1473.0629434202.

The spelling of 3196420545 in words is "three billion, one hundred ninety-six million, four hundred twenty thousand, five hundred forty-five".

Divisors: 1 3 5 15 197 591 985 2955 1081699 3245097 5408495 16225485 213094703 639284109 1065473515 3196420545