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431379634699 = 13127547631757
BaseRepresentation
bin1100100011100000011…
…10101101101000001011
31112020110120212222101101
412101300032231220023
524031431141302244
6530101214402231
743110663252316
oct6216016555013
91466416788341
10431379634699
11156a466153a2
126b730200377
13318a97a1420
1416c4393b97d
15b34b6e30d4
hex64703ada0b

431379634699 has 32 divisors (see below), whose sum is σ = 470440656896. Its totient is φ = 393193906560.

The previous prime is 431379634669. The next prime is 431379634703. The reversal of 431379634699 is 996436973134.

It is not a de Polignac number, because 431379634699 - 215 = 431379601931 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 431379634699.

It is not an unprimeable number, because it can be changed into a prime (431379634619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569853829 + ... + 569854585.

It is an arithmetic number, because the mean of its divisors is an integer number (14701270528).

Almost surely, 2431379634699 is an apocalyptic number.

431379634699 is a deficient number, since it is larger than the sum of its proper divisors (39061022197).

431379634699 is a wasteful number, since it uses less digits than its factorization.

431379634699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its digits is 79361856, while the sum is 64.

The spelling of 431379634699 in words is "four hundred thirty-one billion, three hundred seventy-nine million, six hundred thirty-four thousand, six hundred ninety-nine".

Divisors: 1 13 127 547 631 757 1651 7111 8203 9841 69469 80137 96139 345157 414079 477667 903097 1041781 1249807 4487041 5383027 6209671 43834939 52588033 60663709 261283849 569854207 683644429 788628217 3396690037 33183048823 431379634699