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1214133320 = 23530353333
BaseRepresentation
bin100100001011110…
…0011010001001000
310010121121100210202
41020113203101020
54441304231240
6320251031332
742041651201
oct11027432110
93117540722
101214133320
1157338a374
1229a73b548
131647024aa
14b736c5a8
15718cd315
hex485e3448

1214133320 has 16 divisors (see below), whose sum is σ = 2731800060. Its totient is φ = 485653312.

The previous prime is 1214133313. The next prime is 1214133377. The reversal of 1214133320 is 233314121.

It can be written as a sum of positive squares in 2 ways, for example, as 1166495716 + 47637604 = 34154^2 + 6902^2 .

It is a super-3 number, since 3×12141333203 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1214133292 and 1214133301.

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, 15176627 + ... + 15176706.

Almost surely, 21214133320 is an apocalyptic number.

1214133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214133320 is an abundant number, since it is smaller than the sum of its proper divisors (1517666740).

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

1214133320 is a wasteful number, since it uses less digits than its factorization.

1214133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30353344 (or 30353340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1214133320 is about 34844.4159084350. The cubic root of 1214133320 is about 1066.8142117950.

Adding to 1214133320 its reverse (233314121), we get a palindrome (1447447441).

The spelling of 1214133320 in words is "one billion, two hundred fourteen million, one hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 30353333 60706666 121413332 151766665 242826664 303533330 607066660 1214133320