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70493732549 = 347521389927
BaseRepresentation
bin100000110100111000…
…0001111111011000101
320201221211101122121022
41001221300033323011
52123332343420144
652215005200525
75043620561102
oct1015160177305
9221854348538
1070493732549
11279949686a9
12117b4260145
136855816aa6
1435aa419aa9
151c78b3bcee
hex1069c0fec5

70493732549 has 8 divisors (see below), whose sum is σ = 70832760768. Its totient is φ = 70155485920.

The previous prime is 70493732513. The next prime is 70493732599. The reversal of 70493732549 is 94523739407.

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 70493732549 - 28 = 70493732293 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 70493732549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70493732599) 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, 14177 + ... + 375750.

It is an arithmetic number, because the mean of its divisors is an integer number (8854095096).

Almost surely, 270493732549 is an apocalyptic number.

It is an amenable number.

70493732549 is a deficient number, since it is larger than the sum of its proper divisors (339028219).

70493732549 is a wasteful number, since it uses less digits than its factorization.

70493732549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390795.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 70493732549 in words is "seventy billion, four hundred ninety-three million, seven hundred thirty-two thousand, five hundred forty-nine".

Divisors: 1 347 521 180787 389927 135304669 203151967 70493732549