Search a number
-
+
1252144774030 = 25657171905359
BaseRepresentation
bin10010001110001001101…
…001001111101110001110
311102201000010022002110111
4102032021221033232032
5131003343030232110
62355121040030234
7156315212653213
oct22161151175616
94381003262414
101252144774030
11443039099667
1218281090237a
13910cc7c1097
1444865a3bb0a
15228879dde8a
hex12389a4fb8e

1252144774030 has 16 divisors (see below), whose sum is σ = 2253896072640. Its totient is φ = 500850025312.

The previous prime is 1252144774019. The next prime is 1252144774039. The reversal of 1252144774030 is 304774412521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252144774039) 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, 295510 + ... + 1609849.

It is an arithmetic number, because the mean of its divisors is an integer number (140868504540).

Almost surely, 21252144774030 is an apocalyptic number.

1252144774030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252144774030 is a deficient number, since it is larger than the sum of its proper divisors (1001751298610).

1252144774030 is a wasteful number, since it uses less digits than its factorization.

1252144774030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971083.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 1252144774030 in words is "one trillion, two hundred fifty-two billion, one hundred forty-four million, seven hundred seventy-four thousand, thirty".

Divisors: 1 2 5 10 65717 131434 328585 657170 1905359 3810718 9526795 19053590 125214477403 250428954806 626072387015 1252144774030