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747222741421 = 13148727386471
BaseRepresentation
bin10101101111110011111…
…00100011000110101101
32122102201020102012210221
422313321330203012231
544220303010211141
61331134104331341
7104661606335332
oct12677174430655
92572636365727
10747222741421
11268993837222
12100997473b51
1355602a128a0
1428246c50989
1514684c05bd1
hexadf9f231ad

747222741421 has 8 divisors (see below), whose sum is σ = 804708906624. Its totient is φ = 689737646640.

The previous prime is 747222741409. The next prime is 747222741437. The reversal of 747222741421 is 124147222747.

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 747222741421 - 239 = 197466927533 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 (747222741491) 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, 1740216 + ... + 2126686.

It is an arithmetic number, because the mean of its divisors is an integer number (100588613328).

Almost surely, 2747222741421 is an apocalyptic number.

It is an amenable number.

747222741421 is a deficient number, since it is larger than the sum of its proper divisors (57486165203).

747222741421 is a wasteful number, since it uses less digits than its factorization.

747222741421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535211.

The product of its digits is 351232, while the sum is 43.

The spelling of 747222741421 in words is "seven hundred forty-seven billion, two hundred twenty-two million, seven hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 13 148727 386471 1933451 5024123 57478672417 747222741421