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100112120210 = 2542123779601
BaseRepresentation
bin101110100111100100…
…1011011100110010010
3100120101222121122021002
41131033021123212102
53120012200321320
6113554010102002
710142604660404
oct1351711334622
9316358548232
10100112120210
1139503755733
121749b41a902
139595b07b6b
144bb9cc8b74
15290ded5675
hex174f25b992

100112120210 has 16 divisors (see below), whose sum is σ = 180629856792. Its totient is φ = 39949728000.

The previous prime is 100112120191. The next prime is 100112120243. The reversal of 100112120210 is 12021211001.

It can be written as a sum of positive squares in 4 ways, for example, as 81755393041 + 18356727169 = 285929^2 + 135487^2 .

It is a super-2 number, since 2×1001121202102 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100112120191 and 100112120200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11885591 + ... + 11894010.

Almost surely, 2100112120210 is an apocalyptic number.

100112120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100112120210 is a deficient number, since it is larger than the sum of its proper divisors (80517736582).

100112120210 is a wasteful number, since it uses less digits than its factorization.

100112120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780029.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100112120210 its reverse (12021211001), we get a palindrome (112133331211).

The spelling of 100112120210 in words is "one hundred billion, one hundred twelve million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 421 842 2105 4210 23779601 47559202 118898005 237796010 10011212021 20022424042 50056060105 100112120210