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2630465641 = 171131369321
BaseRepresentation
bin1001110011001001…
…1011100001101001
320210022200111111101
42130302123201221
520341344400031
61113004001401
7122120406016
oct23462334151
96708614441
102630465641
11112a913851
12614b30261
1332bc7bb5b
141ad4d270d
15105dec361
hex9cc9b869

2630465641 has 8 divisors (see below), whose sum is σ = 2809848744. Its totient is φ = 2453821440.

The previous prime is 2630465639. The next prime is 2630465657. The reversal of 2630465641 is 1465640362.

2630465641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 249513616 + 2380952025 = 15796^2 + 48795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2630465641 - 21 = 2630465639 is a prime.

It is a super-3 number, since 3×26304656413 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2630465641.

It is not an unprimeable number, because it can be changed into a prime (2630465671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682740 + ... + 686581.

It is an arithmetic number, because the mean of its divisors is an integer number (351231093).

Almost surely, 22630465641 is an apocalyptic number.

It is an amenable number.

2630465641 is a deficient number, since it is larger than the sum of its proper divisors (179383103).

2630465641 is a wasteful number, since it uses less digits than its factorization.

2630465641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369451.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2630465641 is about 51288.0652881350. The cubic root of 2630465641 is about 1380.4188396451.

The spelling of 2630465641 in words is "two billion, six hundred thirty million, four hundred sixty-five thousand, six hundred forty-one".

Divisors: 1 17 113 1921 1369321 23278457 154733273 2630465641