Search a number
-
+
1388850456349 = 10755723303251
BaseRepresentation
bin10100001101011101111…
…100000010011100011101
311220202212101011021220201
4110031131330002130131
5140223331204100344
62542010141143501
7202225003044616
oct24153574023435
94822771137821
101388850456349
1149600a96a104
121a520325ab91
13a0c77a10275
144b31392cc0d
15261d93d14d4
hex1435df0271d

1388850456349 has 8 divisors (see below), whose sum is σ = 1404347178528. Its totient is φ = 1373400342000.

The previous prime is 1388850456347. The next prime is 1388850456353. The reversal of 1388850456349 is 9436540588831.

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

It is a cyclic number.

It is not a de Polignac number, because 1388850456349 - 21 = 1388850456347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388850456347) 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, 11592027 + ... + 11711224.

It is an arithmetic number, because the mean of its divisors is an integer number (175543397316).

Almost surely, 21388850456349 is an apocalyptic number.

It is an amenable number.

1388850456349 is a deficient number, since it is larger than the sum of its proper divisors (15496722179).

1388850456349 is a wasteful number, since it uses less digits than its factorization.

1388850456349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23303915.

The product of its (nonzero) digits is 99532800, while the sum is 64.

The spelling of 1388850456349 in words is "one trillion, three hundred eighty-eight billion, eight hundred fifty million, four hundred fifty-six thousand, three hundred forty-nine".

Divisors: 1 107 557 59599 23303251 2493447857 12979910807 1388850456349