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101111203130 = 2571976023461
BaseRepresentation
bin101111000101010110…
…0101000010100111010
3100122222121120022101012
41132022230220110322
53124033432000010
6114241055553522
710206426021530
oct1361254502472
9318877508335
10101111203130
11399767024a3
1217719b2b8a2
1396c4ab37a2
144c72878150
15296ba85005
hex178ab2853a

101111203130 has 32 divisors (see below), whose sum is σ = 218947570560. Its totient is φ = 32842134720.

The previous prime is 101111203117. The next prime is 101111203133. The reversal of 101111203130 is 31302111101.

It is a happy number.

It is a super-2 number, since 2×1011112031302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (101111203133) 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, 38010401 + ... + 38013060.

It is an arithmetic number, because the mean of its divisors is an integer number (6842111580).

Almost surely, 2101111203130 is an apocalyptic number.

101111203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111203130 is an abundant number, since it is smaller than the sum of its proper divisors (117836367430).

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

101111203130 is a wasteful number, since it uses less digits than its factorization.

101111203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76023494.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101111203130 its reverse (31302111101), we get a palindrome (132413314231).

The spelling of 101111203130 in words is "one hundred one billion, one hundred eleven million, two hundred three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 76023461 152046922 380117305 532164227 760234610 1064328454 1444445759 2660821135 2888891518 5321642270 7222228795 10111120313 14444457590 20222240626 50555601565 101111203130