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1214421310 = 25181670951
BaseRepresentation
bin100100001100010…
…1001100100111110
310010122010222212001
41020120221210332
54441342440220
6320301132514
742044260624
oct11030514476
93118128761
101214421310
11573566783
1229a85a13a
131647a35bb
14b7405514
157193880a
hex4862993e

1214421310 has 16 divisors (see below), whose sum is σ = 2198038752. Its totient is φ = 483084000.

The previous prime is 1214421239. The next prime is 1214421317. The reversal of 1214421310 is 131244121.

It is a super-2 number, since 2×12144213102 = 2949638236364232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214421317) 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, 333666 + ... + 337285.

It is an arithmetic number, because the mean of its divisors is an integer number (137377422).

Almost surely, 21214421310 is an apocalyptic number.

1214421310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214421310 is a deficient number, since it is larger than the sum of its proper divisors (983617442).

1214421310 is a wasteful number, since it uses less digits than its factorization.

1214421310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671139.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1214421310 is about 34848.5481763588. The cubic root of 1214421310 is about 1066.8985538606.

Adding to 1214421310 its reverse (131244121), we get a palindrome (1345665431).

The spelling of 1214421310 in words is "one billion, two hundred fourteen million, four hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 181 362 905 1810 670951 1341902 3354755 6709510 121442131 242884262 607210655 1214421310