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38896474781399 = 477371257159097
BaseRepresentation
bin10001101100000010010101…
…00011111111011011010111
312002201110121012112120202212
420312001022203333123113
520044234440021001044
6214420443245024035
711123114622333644
oct1066011243773327
9162643535476685
1038896474781399
11114369a1a92184
12444249285501b
131891bca363331
14986856b6adcb
15476bbea2ba9e
hex23604a8ff6d7

38896474781399 has 16 divisors (see below), whose sum is σ = 40269042768768. Its totient is φ = 37546635635712.

The previous prime is 38896474781369. The next prime is 38896474781447. The reversal of 38896474781399 is 99318747469883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38896474781399 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 38896474781399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38896474781369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244403219 + ... + 244562315.

It is an arithmetic number, because the mean of its divisors is an integer number (2516815173048).

Almost surely, 238896474781399 is an apocalyptic number.

38896474781399 is a deficient number, since it is larger than the sum of its proper divisors (1372567987369).

38896474781399 is a wasteful number, since it uses less digits than its factorization.

38896474781399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230474.

The product of its digits is 15801827328, while the sum is 86.

The spelling of 38896474781399 in words is "thirty-eight trillion, eight hundred ninety-six billion, four hundred seventy-four million, seven hundred eighty-one thousand, three hundred ninety-nine".

Divisors: 1 47 73 3431 71257 159097 3349079 5201761 7477559 11614081 244482767 545861807 11336774929 532828421663 827584569817 38896474781399