Search a number
-
+
10020411440 = 2451361157951
BaseRepresentation
bin10010101010100001…
…10101100000110000
3221212100011122100122
421111100311200300
5131010211131230
64334152105412
7503213043344
oct112520654060
927770148318
1010020411440
114282296476
121b37995268
13c38cb5c50
146b0b57624
153d9a90be5
hex255435830

10020411440 has 80 divisors (see below), whose sum is σ = 25501034496. Its totient is φ = 3639168000.

The previous prime is 10020411437. The next prime is 10020411487. The reversal of 10020411440 is 4411402001.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15536 + ... + 142415.

Almost surely, 210020411440 is an apocalyptic number.

10020411440 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 10020411440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12750517248).

10020411440 is an abundant number, since it is smaller than the sum of its proper divisors (15480623056).

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

10020411440 is a wasteful number, since it uses less digits than its factorization.

10020411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158038 (or 158032 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10020411440 its reverse (4411402001), we get a palindrome (14431813441).

The spelling of 10020411440 in words is "ten billion, twenty million, four hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 61 65 80 104 122 130 208 244 260 305 488 520 610 793 976 1040 1220 1586 2440 3172 3965 4880 6344 7930 12688 15860 31720 63440 157951 315902 631804 789755 1263608 1579510 2053363 2527216 3159020 4106726 6318040 8213452 9635011 10266815 12636080 16426904 19270022 20533630 32853808 38540044 41067260 48175055 77080088 82134520 96350110 125255143 154160176 164269040 192700220 250510286 385400440 501020572 626275715 770800880 1002041144 1252551430 2004082288 2505102860 5010205720 10020411440