Search a number
-
+
1380077101085 = 5276015420217
BaseRepresentation
bin10100000101010011000…
…000010110000000011101
311212221012221112200000212
4110011103000112000131
5140102344214213320
62533555413502205
7201464411543444
oct24052300260035
94787187480025
101380077101085
114923185aa481
121a3575041965
13a01aa1b5ca7
144ab20673d5b
1525d740739c5
hex1415301601d

1380077101085 has 4 divisors (see below), whose sum is σ = 1656092521308. Its totient is φ = 1104061680864.

The previous prime is 1380077101063. The next prime is 1380077101147. The reversal of 1380077101085 is 5801017700831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351599189764 + 1028477911321 = 592958^2 + 1014139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380077101085 - 216 = 1380077035549 is a prime.

It is a super-2 number, since 2×13800771010852 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138007710104 + ... + 138007710113.

It is an arithmetic number, because the mean of its divisors is an integer number (414023130327).

Almost surely, 21380077101085 is an apocalyptic number.

It is an amenable number.

1380077101085 is a deficient number, since it is larger than the sum of its proper divisors (276015420223).

1380077101085 is an equidigital number, since it uses as much as digits as its factorization.

1380077101085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276015420222.

The product of its (nonzero) digits is 47040, while the sum is 41.

The spelling of 1380077101085 in words is "one trillion, three hundred eighty billion, seventy-seven million, one hundred one thousand, eighty-five".

Divisors: 1 5 276015420217 1380077101085