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2061429863 = 3121660503
BaseRepresentation
bin111101011011110…
…1110110001100111
312022122221111011012
41322313232301213
513210211223423
6540315332435
7102040602413
oct17267566147
95278844135
102061429863
11968694849
1249645111b
1326b1050ac
14157ac9d43
15c0e99078
hex7adeec67

2061429863 has 4 divisors (see below), whose sum is σ = 2062093488. Its totient is φ = 2060766240.

The previous prime is 2061429817. The next prime is 2061429893. The reversal of 2061429863 is 3689241602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2061429863 - 228 = 1792994407 is a prime.

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 2061429863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061429893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327131 + ... + 333372.

It is an arithmetic number, because the mean of its divisors is an integer number (515523372).

Almost surely, 22061429863 is an apocalyptic number.

2061429863 is a deficient number, since it is larger than the sum of its proper divisors (663625).

2061429863 is an equidigital number, since it uses as much as digits as its factorization.

2061429863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663624.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2061429863 is about 45402.9719621965. The cubic root of 2061429863 is about 1272.6906525723.

The spelling of 2061429863 in words is "two billion, sixty-one million, four hundred twenty-nine thousand, eight hundred sixty-three".

Divisors: 1 3121 660503 2061429863