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38403648450673 = 117944192921117
BaseRepresentation
bin10001011101101100010111…
…10100101111000001110001
312000222100112021212000202221
420232312023310233001301
520013201133000410143
6213402220442241041
711042400131544052
oct1056661364570161
9160870467760687
1038403648450673
1111266994407680
124382a741b6181
1318575aa4b699c
1496aa64590729
15468e78aba2ed
hex22ed8bd2f071

38403648450673 has 8 divisors (see below), whose sum is σ = 42425204273280. Its totient is φ = 34470478470480.

The previous prime is 38403648450623. The next prime is 38403648450721. The reversal of 38403648450673 is 37605484630483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38403648450673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38403648450623) 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, 22096459690 + ... + 22096461427.

It is an arithmetic number, because the mean of its divisors is an integer number (5303150534160).

Almost surely, 238403648450673 is an apocalyptic number.

It is an amenable number.

38403648450673 is a deficient number, since it is larger than the sum of its proper divisors (4021555822607).

38403648450673 is a wasteful number, since it uses less digits than its factorization.

38403648450673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44192921207.

The product of its (nonzero) digits is 139345920, while the sum is 61.

The spelling of 38403648450673 in words is "thirty-eight trillion, four hundred three billion, six hundred forty-eight million, four hundred fifty thousand, six hundred seventy-three".

Divisors: 1 11 79 869 44192921117 486122132287 3491240768243 38403648450673