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54640348006534 = 21371971012270703
BaseRepresentation
bin11000110110001111100101…
…00010001000100010000110
321011110120021210121010021121
430123013302202020202012
524130211413042202114
6312113232423304154
714336430521605333
oct1433076242104206
9234416253533247
1054640348006534
1116456928a847a4
1261657b9bab05a
132464741367194
14d6c86d6a798a
1564b4c2cb2a24
hex31b1f2888886

54640348006534 has 16 divisors (see below), whose sum is σ = 82977854148288. Its totient is φ = 26983087832512.

The previous prime is 54640348006483. The next prime is 54640348006537. The reversal of 54640348006534 is 43560084304645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640348006537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506081374 + ... + 506189329.

It is an arithmetic number, because the mean of its divisors is an integer number (5186115884268).

Almost surely, 254640348006534 is an apocalyptic number.

54640348006534 is a deficient number, since it is larger than the sum of its proper divisors (28337506141754).

54640348006534 is a wasteful number, since it uses less digits than its factorization.

54640348006534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012271039.

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 54640348006534 in words is "fifty-four trillion, six hundred forty billion, three hundred forty-eight million, six thousand, five hundred thirty-four".

Divisors: 1 2 137 197 274 394 26989 53978 1012270703 2024541406 138681086311 199417328491 277362172622 398834656982 27320174003267 54640348006534