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100110211010020 = 225101101197489733
BaseRepresentation
bin10110110000110010111001…
…100100001100110111100100
3111010110102221201202220222201
4112300302321210030313210
5101110201203004310040
6552525555051104244
730041503232234251
oct2660627144146744
9433412851686881
10100110211010020
112999755827a232
12b28a043142084
1343b2477283643
141aa1508042428
15b8916a198a9a
hex5b0cb990cde4

100110211010020 has 48 divisors (see below), whose sum is σ = 212315474106288. Its totient is φ = 39647135577600.

The previous prime is 100110211010011. The next prime is 100110211010041. The reversal of 100110211010020 is 20010112011001.

It can be written as a sum of positive squares in 8 ways, for example, as 4273472948644 + 95836738061376 = 2067238^2 + 9789624^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100110211009979 and 100110211010006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204173074 + ... + 204662806.

It is an arithmetic number, because the mean of its divisors is an integer number (4423239043881).

Almost surely, 2100110211010020 is an apocalyptic number.

100110211010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110211010020 is an abundant number, since it is smaller than the sum of its proper divisors (112205263096268).

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

100110211010020 is a wasteful number, since it uses less digits than its factorization.

100110211010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591040 (or 591038 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100110211010020 its reverse (20010112011001), we get a palindrome (120120323021021).

The spelling of 100110211010020 in words is "one hundred trillion, one hundred ten billion, two hundred eleven million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 101197 202394 404788 489733 505985 979466 1011970 1958932 2023940 2448665 4897330 9794660 10220897 20441794 40883588 49463033 51104485 98926066 102208970 197852132 204417940 247315165 494630330 989260660 49559510401 99119020802 198238041604 247797552005 495595104010 991190208020 5005510550501 10011021101002 20022042202004 25027552752505 50055105505010 100110211010020