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100010111028 = 22319941880281
BaseRepresentation
bin101110100100100010…
…0010011000000110100
3100120010212200000222020
41131021010103000310
53114310042023103
6113535523433140
710140225626502
oct1351104230064
9316125600866
10100010111028
1139461111723
12174712257b0
13957a93c9b9
144baa533672
152905085753
hex1749113034

100010111028 has 24 divisors (see below), whose sum is σ = 234529579200. Its totient is φ = 33169181760.

The previous prime is 100010110961. The next prime is 100010111029. The reversal of 100010111028 is 820111010001.

It is a junction number, because it is equal to n+sod(n) for n = 100010110998 and 100010111016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010111029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20937753 + ... + 20942528.

It is an arithmetic number, because the mean of its divisors is an integer number (9772065800).

Almost surely, 2100010111028 is an apocalyptic number.

It is an amenable number.

100010111028 is an abundant number, since it is smaller than the sum of its proper divisors (134519468172).

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

100010111028 is a wasteful number, since it uses less digits than its factorization.

100010111028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41880487 (or 41880485 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100010111028 its reverse (820111010001), we get a palindrome (920121121029).

The spelling of 100010111028 in words is "one hundred billion, ten million, one hundred eleven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 41880281 83760562 125640843 167521124 251281686 502563372 8334175919 16668351838 25002527757 33336703676 50005055514 100010111028