Search a number
-
+
1378512283355 = 51573407515429
BaseRepresentation
bin10100000011110101101…
…111000010011011011011
311212210011220001200122122
4110003311233002123123
5140041143121031410
62533140234211455
7201410551034564
oct24036557023333
94783156050578
101378512283355
11491695278789
121a31b8b83b8b
139ccbac4ac3c
144aa128db16b
1525cd19c3e55
hex140f5bc26db

1378512283355 has 16 divisors (see below), whose sum is σ = 1665242997120. Its totient is φ = 1095461807232.

The previous prime is 1378512283327. The next prime is 1378512283381. The reversal of 1378512283355 is 5533822158731.

It is a cyclic number.

It is not a de Polignac number, because 1378512283355 - 224 = 1378495506139 is a prime.

It is a super-4 number, since 4×13785122833554 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1378512283297 and 1378512283306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416781 + ... + 2932209.

It is an arithmetic number, because the mean of its divisors is an integer number (104077687320).

Almost surely, 21378512283355 is an apocalyptic number.

1378512283355 is a deficient number, since it is larger than the sum of its proper divisors (286730713765).

1378512283355 is a wasteful number, since it uses less digits than its factorization.

1378512283355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518998.

The product of its digits is 6048000, while the sum is 53.

The spelling of 1378512283355 in words is "one trillion, three hundred seventy-eight billion, five hundred twelve million, two hundred eighty-three thousand, three hundred fifty-five".

Divisors: 1 5 157 785 3407 17035 515429 534899 2577145 2674495 80922353 404611765 1756066603 8780333015 275702456671 1378512283355