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100220142040 = 23523108934937
BaseRepresentation
bin101110101010110010…
…1100000000111011000
3100120200111212201100121
41131111211200013120
53120222324021130
6114012425243024
710145356103014
oct1352545400730
9316614781317
10100220142040
1139559726077
121750b633474
1395b22c99c5
144bca3a7544
152918721d7a
hex17559601d8

100220142040 has 32 divisors (see below), whose sum is σ = 235299466080. Its totient is φ = 38345097472.

The previous prime is 100220142031. The next prime is 100220142073. The reversal of 100220142040 is 40241022001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54466549 + ... + 54468388.

It is an arithmetic number, because the mean of its divisors is an integer number (7353108315).

Almost surely, 2100220142040 is an apocalyptic number.

100220142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220142040 is an abundant number, since it is smaller than the sum of its proper divisors (135079324040).

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

100220142040 is a wasteful number, since it uses less digits than its factorization.

100220142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108934971 (or 108934967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100220142040 its reverse (40241022001), we get a palindrome (140461164041).

The spelling of 100220142040 in words is "one hundred billion, two hundred twenty million, one hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 108934937 217869874 435739748 544674685 871479496 1089349370 2178698740 2505503551 4357397480 5011007102 10022014204 12527517755 20044028408 25055035510 50110071020 100220142040