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100030131023020 = 225114353491044409
BaseRepresentation
bin10110101111101000010100…
…011011010010110010101100
3111010011210020211011002110021
4112233220110123102302230
5101102343202020214040
6552425112515051524
730032636616462352
oct2657502433226254
9433153224132407
10100030131023020
11299665a42007a0
12b2766145a0ba4
1343a7a546c4353
141a9b6ac8057d2
15b8702eb7a24a
hex5afa146d2cac

100030131023020 has 48 divisors (see below), whose sum is σ = 229160682324000. Its totient is φ = 36374474718720.

The previous prime is 100030131023003. The next prime is 100030131023021. The reversal of 100030131023020 is 20320131030001.

It is a super-2 number, since 2×1000301310230202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100030131022985 and 100030131023003.

It is not an unprimeable number, because it can be changed into a prime (100030131023021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95254576 + ... + 96298984.

It is an arithmetic number, because the mean of its divisors is an integer number (4774180881750).

Almost surely, 2100030131023020 is an apocalyptic number.

100030131023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100030131023020 is an abundant number, since it is smaller than the sum of its proper divisors (129130551300980).

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

100030131023020 is a wasteful number, since it uses less digits than its factorization.

100030131023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479778 (or 1479776 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100030131023020 its reverse (20320131030001), we get a palindrome (120350262053021).

The spelling of 100030131023020 in words is "one hundred trillion, thirty billion, one hundred thirty-one million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 435349 870698 1044409 1741396 2088818 2176745 4177636 4353490 4788839 5222045 8706980 9577678 10444090 11488499 19155356 20888180 22976998 23944195 45953996 47888390 57442495 95776780 114884990 229769980 454682413741 909364827482 1818729654964 2273412068705 4546824137410 5001506551151 9093648274820 10003013102302 20006026204604 25007532755755 50015065511510 100030131023020