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101111001112 = 231147179136573
BaseRepresentation
bin101111000101010101…
…1110111000000011000
3100122222121012001021001
41132022223313000120
53124033404013422
6114241051354344
710206424220542
oct1361253670030
9318877161231
10101111001112
1139976584740
1217719a529b4
1396c4a42854
144c72824692
15296ba45227
hex178aaf7018

101111001112 has 64 divisors (see below), whose sum is σ = 212399884800. Its totient is φ = 44730061440.

The previous prime is 101111001053. The next prime is 101111001149. The reversal of 101111001112 is 211100111101.

101111001112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672058 + ... + 808630.

It is an arithmetic number, because the mean of its divisors is an integer number (3318748200).

Almost surely, 2101111001112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101111001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106199942400).

101111001112 is an abundant number, since it is smaller than the sum of its proper divisors (111288883688).

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

101111001112 is a wasteful number, since it uses less digits than its factorization.

101111001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136816 (or 136812 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101111001112 its reverse (211100111101), we get a palindrome (312211112213).

The spelling of 101111001112 in words is "one hundred one billion, one hundred eleven million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 47 88 94 179 188 358 376 517 716 1034 1432 1969 2068 3938 4136 7876 8413 15752 16826 33652 67304 92543 136573 185086 273146 370172 546292 740344 1092584 1502303 3004606 6009212 6418931 12018424 12837862 24446567 25675724 48893134 51351448 70608241 97786268 141216482 195572536 268912237 282432964 537824474 564865928 1075648948 1148988649 2151297896 2297977298 4595954596 9191909192 12638875139 25277750278 50555500556 101111001112