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100011001210 = 2561163952461
BaseRepresentation
bin101110100100100011…
…1101100010101111010
3100120010221100021001221
41131021013230111322
53114310304014320
6113535554502254
710140236325001
oct1351107542572
9316127307057
10100011001210
113946166a50a
121747159498a
13957ab91c33
144baa6c5c38
1529051ae3aa
hex17491ec57a

100011001210 has 16 divisors (see below), whose sum is σ = 182970947592. Its totient is φ = 39348590400.

The previous prime is 100011001187. The next prime is 100011001213. The reversal of 100011001210 is 12100110001.

It can be written as a sum of positive squares in 4 ways, for example, as 40797132289 + 59213868921 = 201983^2 + 243339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100011001193 and 100011001202.

It is not an unprimeable number, because it can be changed into a prime (100011001213) 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, 81975621 + ... + 81976840.

Almost surely, 2100011001210 is an apocalyptic number.

100011001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100011001210 is a deficient number, since it is larger than the sum of its proper divisors (82959946382).

100011001210 is a wasteful number, since it uses less digits than its factorization.

100011001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163952529.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100011001210 its reverse (12100110001), we get a palindrome (112111111211).

The spelling of 100011001210 in words is "one hundred billion, eleven million, one thousand, two hundred ten".

Divisors: 1 2 5 10 61 122 305 610 163952461 327904922 819762305 1639524610 10001100121 20002200242 50005500605 100011001210