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100312010030 = 25103109893489
BaseRepresentation
bin101110101101100001…
…1111100110100101110
3100120220220202002112202
41131123003330310232
53120414333310110
6114025510301502
710150553005511
oct1353303746456
9316826662482
10100312010030
11395a6572931
1217536357892
1395c8353c6b
144bd867cd78
15292181c0a5
hex175b0fcd2e

100312010030 has 32 divisors (see below), whose sum is σ = 183987460800. Its totient is φ = 39370655232.

The previous prime is 100312010027. The next prime is 100312010033. The reversal of 100312010030 is 30010213001.

It is an interprime number because it is at equal distance from previous prime (100312010027) and next prime (100312010033).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100312009993 and 100312010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312010033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334475 + ... + 559014.

It is an arithmetic number, because the mean of its divisors is an integer number (5749608150).

Almost surely, 2100312010030 is an apocalyptic number.

100312010030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100312010030 is a deficient number, since it is larger than the sum of its proper divisors (83675450770).

100312010030 is a wasteful number, since it uses less digits than its factorization.

100312010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893708.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 100312010030 its reverse (30010213001), we get a palindrome (130322223031).

The spelling of 100312010030 in words is "one hundred billion, three hundred twelve million, ten thousand, thirty".

Divisors: 1 2 5 10 103 109 206 218 515 545 1030 1090 11227 22454 56135 112270 893489 1786978 4467445 8934890 92029367 97390301 184058734 194780602 460146835 486951505 920293670 973903010 10031201003 20062402006 50156005015 100312010030