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10302213404 = 227449819457
BaseRepresentation
bin10011001100000111…
…10100110100011100
3222120222102122222102
421212003310310130
5132044331312104
64422140104232
7513204240410
oct114603646434
928528378872
1010302213404
11440737045a
121bb6235078
13c824b1882
146da350d40
154046a7a1e
hex2660f4d1c

10302213404 has 24 divisors (see below), whose sum is σ = 20650341600. Its totient is φ = 4405395456.

The previous prime is 10302213343. The next prime is 10302213409. The reversal of 10302213404 is 40431220301.

It is a super-2 number, since 2×103022134042 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302213409) 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, 397157 + ... + 422300.

It is an arithmetic number, because the mean of its divisors is an integer number (860430900).

Almost surely, 210302213404 is an apocalyptic number.

10302213404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10302213404 is an abundant number, since it is smaller than the sum of its proper divisors (10348128196).

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

10302213404 is a wasteful number, since it uses less digits than its factorization.

10302213404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819917 (or 819915 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10302213404 its reverse (40431220301), we get a palindrome (50733433705).

The spelling of 10302213404 in words is "ten billion, three hundred two million, two hundred thirteen thousand, four hundred four".

Divisors: 1 2 4 7 14 28 449 898 1796 3143 6286 12572 819457 1638914 3277828 5736199 11472398 22944796 367936193 735872386 1471744772 2575553351 5151106702 10302213404