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431378960497 = 7121727279641
BaseRepresentation
bin1100100011100000011…
…00001001000001110001
31112020110112121201112221
412101300030021001301
524031431003213442
6530101152121041
743110654443602
oct6216014110161
91466415551487
10431378960497
11156a461a4901
126b72bb36181
13318a95c65a4
1416c43803da9
15b34b60d467
hex6470309071

431378960497 has 8 divisors (see below), whose sum is σ = 437476419072. Its totient is φ = 425282104800.

The previous prime is 431378960491. The next prime is 431378960567. The reversal of 431378960497 is 794069873134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431378960497 - 23 = 431378960489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431378960491) 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, 1402797 + ... + 1682437.

It is an arithmetic number, because the mean of its divisors is an integer number (54684552384).

Almost surely, 2431378960497 is an apocalyptic number.

It is an amenable number.

431378960497 is a deficient number, since it is larger than the sum of its proper divisors (6097458575).

431378960497 is a wasteful number, since it uses less digits than its factorization.

431378960497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301439.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 431378960497 in words is "four hundred thirty-one billion, three hundred seventy-eight million, nine hundred sixty thousand, four hundred ninety-seven".

Divisors: 1 71 21727 279641 1542617 19854511 6075760007 431378960497