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13045413420 = 223351317109313
BaseRepresentation
bin11000010011001000…
…10011011000101100
31020200011020122222000
430021210103120230
5203204111212140
65554252252300
7641164120164
oct141144233054
936604218860
1013045413420
115594883206
122640a71090
1312cb912550
148ba7cb5a4
15515422a30
hex30991362c

13045413420 has 192 divisors, whose sum is σ = 46279175040. Its totient is φ = 3022258176.

The previous prime is 13045413383. The next prime is 13045413439. The reversal of 13045413420 is 2431454031.

It is a happy number.

It is a super-2 number, since 2×130454134202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64684 + ... + 173996.

It is an arithmetic number, because the mean of its divisors is an integer number (241037370).

Almost surely, 213045413420 is an apocalyptic number.

13045413420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13045413420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23139587520).

13045413420 is an abundant number, since it is smaller than the sum of its proper divisors (33233761620).

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

13045413420 is a wasteful number, since it uses less digits than its factorization.

13045413420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109361 (or 109353 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13045413420 its reverse (2431454031), we get a palindrome (15476867451).

The spelling of 13045413420 in words is "thirteen billion, forty-five million, four hundred thirteen thousand, four hundred twenty".