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20763152078 = 224143077079
BaseRepresentation
bin10011010101100101…
…001000111011001110
31222121000112102002112
4103111211020323032
5320010331331303
613312150224022
71333346611034
oct232545107316
958530472075
1020763152078
118895292519
124035655012
131c5b828906
14100d7bc554
15817c650d8
hex4d5948ece

20763152078 has 8 divisors (see below), whose sum is σ = 31273960080. Its totient is φ = 10338498720.

The previous prime is 20763152057. The next prime is 20763152083. The reversal of 20763152078 is 87025136702.

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

It is a super-2 number, since 2×207631520782 (a number of 21 digits) contains 22 as substring.

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, 21538058 + ... + 21539021.

It is an arithmetic number, because the mean of its divisors is an integer number (3909245010).

Almost surely, 220763152078 is an apocalyptic number.

20763152078 is a deficient number, since it is larger than the sum of its proper divisors (10510808002).

20763152078 is a wasteful number, since it uses less digits than its factorization.

20763152078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43077322.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 20763152078 in words is "twenty billion, seven hundred sixty-three million, one hundred fifty-two thousand, seventy-eight".

Divisors: 1 2 241 482 43077079 86154158 10381576039 20763152078