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2948940623 = 15831862881
BaseRepresentation
bin1010111111000101…
…0100001101001111
321121111221201001002
42233301110031033
522014412044443
61204342010515
7133035403346
oct25761241517
97544851032
102948940623
111283666812
126a3716a3b
1337cc47ba5
141dd914b5d
15123d5a2b8
hexafc5434f

2948940623 has 4 divisors (see below), whose sum is σ = 2950805088. Its totient is φ = 2947076160.

The previous prime is 2948940587. The next prime is 2948940641. The reversal of 2948940623 is 3260498492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2948940623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948940823) 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, 929858 + ... + 933023.

It is an arithmetic number, because the mean of its divisors is an integer number (737701272).

Almost surely, 22948940623 is an apocalyptic number.

2948940623 is a deficient number, since it is larger than the sum of its proper divisors (1864465).

2948940623 is a wasteful number, since it uses less digits than its factorization.

2948940623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864464.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 2948940623 is about 54304.1492245298. The cubic root of 2948940623 is about 1434.0204434774.

The spelling of 2948940623 in words is "two billion, nine hundred forty-eight million, nine hundred forty thousand, six hundred twenty-three".

Divisors: 1 1583 1862881 2948940623