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100010031100 = 22527142871473
BaseRepresentation
bin101110100100100001…
…1111111011111111100
3100120010212111222022221
41131021003333133330
53114310031443400
6113535522015124
710140225144460
oct1351103773774
9316125458287
10100010031100
1139461067671
12174711a74a4
13957a9124c5
144baa5124a0
15290506bc1a
hex17490ff7fc

100010031100 has 36 divisors (see below), whose sum is σ = 248024878864. Its totient is φ = 34289153280.

The previous prime is 100010031031. The next prime is 100010031103. The reversal of 100010031100 is 1130010001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010031103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71435037 + ... + 71436436.

Almost surely, 2100010031100 is an apocalyptic number.

100010031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100010031100 is an abundant number, since it is smaller than the sum of its proper divisors (148014847764).

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

100010031100 is a wasteful number, since it uses less digits than its factorization.

100010031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142871494 (or 142871487 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 100010031100 its reverse (1130010001), we get a palindrome (101140041101).

The spelling of 100010031100 in words is "one hundred billion, ten million, thirty-one thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 142871473 285742946 571485892 714357365 1000100311 1428714730 2000200622 2857429460 3571786825 4000401244 5000501555 7143573650 10001003110 14287147300 20002006220 25002507775 50005015550 100010031100