Search a number
-
+
381463366867 = 1171541902827
BaseRepresentation
bin1011000110100001111…
…11010000110011010011
31100110121211121211200221
411203100333100303103
522222214110214432
6451124123453511
736363006055552
oct5432077206323
91313554554627
10381463366867
11137861142590
1261b1b387297
1329c8319a77b
141466a3a5d99
159dc938cb97
hex58d0fd0cd3

381463366867 has 16 divisors (see below), whose sum is σ = 422783518464. Its totient is φ = 341268228000.

The previous prime is 381463366847. The next prime is 381463366927. The reversal of 381463366867 is 768663364183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 381463366867 - 215 = 381463334099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381463366847) 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, 28893 + ... + 873934.

It is an arithmetic number, because the mean of its divisors is an integer number (26423969904).

Almost surely, 2381463366867 is an apocalyptic number.

381463366867 is a deficient number, since it is larger than the sum of its proper divisors (41320151597).

381463366867 is a wasteful number, since it uses less digits than its factorization.

381463366867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903450.

The product of its digits is 62705664, while the sum is 61.

The spelling of 381463366867 in words is "three hundred eighty-one billion, four hundred sixty-three million, three hundred sixty-six thousand, eight hundred sixty-seven".

Divisors: 1 11 71 541 781 5951 38411 422521 902827 9931097 64100717 488429407 705107887 5372723477 34678487897 381463366867