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43214938939 = 378711141109
BaseRepresentation
bin101000001111110011…
…111010001100111011
311010112201112100122001
4220033303322030323
51202001011021224
631504102041431
73056622630424
oct501763721473
9133481470561
1043214938939
1117366785277
128460719277
1340c91519b3
14213d56464b
1511cdd86544
hexa0fcfa33b

43214938939 has 4 divisors (see below), whose sum is σ = 43216117920. Its totient is φ = 43213759960.

The previous prime is 43214938937. The next prime is 43214938957. The reversal of 43214938939 is 93983941234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93983941234 = 246991970617.

It is a cyclic number.

It is not a de Polignac number, because 43214938939 - 21 = 43214938937 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 43214938939.

It is not an unprimeable number, because it can be changed into a prime (43214938937) 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, 532684 + ... + 608425.

It is an arithmetic number, because the mean of its divisors is an integer number (10804029480).

Almost surely, 243214938939 is an apocalyptic number.

43214938939 is a deficient number, since it is larger than the sum of its proper divisors (1178981).

43214938939 is a wasteful number, since it uses less digits than its factorization.

43214938939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178980.

The product of its digits is 5038848, while the sum is 55.

The spelling of 43214938939 in words is "forty-three billion, two hundred fourteen million, nine hundred thirty-eight thousand, nine hundred thirty-nine".

Divisors: 1 37871 1141109 43214938939