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10101111100100 = 2252101011111001
BaseRepresentation
bin1001001011111101100100…
…1000111001001011000100
31022202122201210121022212122
42102333121020321023010
52310444033420200400
633252215242505112
72061531643456556
oct222773110711304
938678653538778
1010101111100100
113244947976069
1211717b5805198
135836b8c04137
1426cc7997b4d6
15127b469a7685
hex92fd92392c4

10101111100100 has 18 divisors (see below), whose sum is σ = 21919411087434. Its totient is φ = 4040444440000.

The previous prime is 10101111100043. The next prime is 10101111100123. The reversal of 10101111100100 is 100111110101.

It can be written as a sum of positive squares in 3 ways, for example, as 40339115716 + 10060771984384 = 200846^2 + 3171872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50505555401 + ... + 50505555600.

It is an arithmetic number, because the mean of its divisors is an integer number (1217745060413).

Almost surely, 210101111100100 is an apocalyptic number.

10101111100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101111100100 is an abundant number, since it is smaller than the sum of its proper divisors (11818299987334).

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

10101111100100 is a wasteful number, since it uses less digits than its factorization.

10101111100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101011111015 (or 101011111008 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 10101111100100 its reverse (100111110101), we get a palindrome (10201222210201).

The spelling of 10101111100100 in words is "ten trillion, one hundred one billion, one hundred eleven million, one hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101011111001 202022222002 404044444004 505055555005 1010111110010 2020222220020 2525277775025 5050555550050 10101111100100