Search a number
-
+
1054254213220 = 225134638757719
BaseRepresentation
bin11110101011101100111…
…00101010100001100100
310201210012210022000112111
433111312130222201210
5114233103034310340
62124152342330404
7136111254645535
oct17256634524144
93653183260474
101054254213220
1137711a02333a
121503a3729a04
13785535162a0
1439051b8268c
151c654848aea
hexf57672a864

1054254213220 has 48 divisors (see below), whose sum is σ = 2389386263040. Its totient is φ = 388422308736.

The previous prime is 1054254213203. The next prime is 1054254213241. The reversal of 1054254213220 is 223124524501.

It is a happy number.

It is a super-2 number, since 2×10542542132202 (a number of 25 digits) contains 22 as substring.

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, 4258480 + ... + 4499239.

It is an arithmetic number, because the mean of its divisors is an integer number (49778880480).

Almost surely, 21054254213220 is an apocalyptic number.

1054254213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054254213220 is an abundant number, since it is smaller than the sum of its proper divisors (1335132049820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054254213220 is a wasteful number, since it uses less digits than its factorization.

1054254213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758204 (or 8758202 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1054254213220 its reverse (223124524501), we get a palindrome (1277378737721).

The spelling of 1054254213220 in words is "one trillion, fifty-four billion, two hundred fifty-four million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 463 926 1852 2315 4630 6019 9260 12038 24076 30095 60190 120380 8757719 17515438 35030876 43788595 87577190 113850347 175154380 227700694 455401388 569251735 1138503470 2277006940 4054823897 8109647794 16219295588 20274119485 40548238970 52712710661 81096477940 105425421322 210850842644 263563553305 527127106610 1054254213220