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10013001440 = 255134813943
BaseRepresentation
bin10010101001101001…
…00100011011100000
3221211211020011202012
421110310210123200
5131001312021230
64333325212052
7503063052011
oct112464443340
927754204665
1010013001440
114279095202
121b35401028
13c375c0230
146adb89008
153d90ca395
hex254d246e0

10013001440 has 48 divisors (see below), whose sum is σ = 25475391648. Its totient is φ = 3697107456.

The previous prime is 10013001431. The next prime is 10013001469. The reversal of 10013001440 is 4410031001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2404892 + ... + 2409051.

It is an arithmetic number, because the mean of its divisors is an integer number (530737326).

Almost surely, 210013001440 is an apocalyptic number.

10013001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013001440 is an abundant number, since it is smaller than the sum of its proper divisors (15462390208).

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

10013001440 is a wasteful number, since it uses less digits than its factorization.

10013001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813971 (or 4813963 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10013001440 its reverse (4410031001), we get a palindrome (14423032441).

The spelling of 10013001440 in words is "ten billion, thirteen million, one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 4813943 9627886 19255772 24069715 38511544 48139430 62581259 77023088 96278860 125162518 154046176 192557720 250325036 312906295 385115440 500650072 625812590 770230880 1001300144 1251625180 2002600288 2503250360 5006500720 10013001440