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10031300020 = 2257349205307
BaseRepresentation
bin10010101011110100…
…10111110110110100
3221220002122211200101
421111322113312310
5131021003100040
64335221323444
7503404433440
oct112572276664
927802584611
1010031300020
1142884531a5
121b3b566584
13c3b3290b1
146b238d820
153da9e209a
hex255e97db4

10031300020 has 48 divisors (see below), whose sum is σ = 24144220800. Its totient is φ = 3429431424.

The previous prime is 10031300011. The next prime is 10031300033. The reversal of 10031300020 is 2000313001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53794 + ... + 151513.

It is an arithmetic number, because the mean of its divisors is an integer number (503004600).

Almost surely, 210031300020 is an apocalyptic number.

10031300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031300020 is an abundant number, since it is smaller than the sum of its proper divisors (14112920780).

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

10031300020 is a wasteful number, since it uses less digits than its factorization.

10031300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205672 (or 205670 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 10031300020 its reverse (2000313001), we get a palindrome (12031613021).

The spelling of 10031300020 in words is "ten billion, thirty-one million, three hundred thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 349 698 1396 1745 2443 3490 4886 6980 9772 12215 24430 48860 205307 410614 821228 1026535 1437149 2053070 2874298 4106140 5748596 7185745 14371490 28742980 71652143 143304286 286608572 358260715 501565001 716521430 1003130002 1433042860 2006260004 2507825005 5015650010 10031300020