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100044157420 = 225128314512687
BaseRepresentation
bin101110100101100011…
…0001011000111101100
3100120020020201202211201
41131023012023013230
53114342301014140
6113543141255244
710141121210224
oct1351306130754
9316206652751
10100044157420
1139479356239
1217480704524
139584a006ac
144bb0c77084
15290805d49a
hex174b18b1ec

100044157420 has 48 divisors (see below), whose sum is σ = 210479689728. Its totient is φ = 39944043200.

The previous prime is 100044157403. The next prime is 100044157541. The reversal of 100044157420 is 24751440001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37231317 + ... + 37234003.

It is an arithmetic number, because the mean of its divisors is an integer number (4384993536).

Almost surely, 2100044157420 is an apocalyptic number.

100044157420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100044157420 is an abundant number, since it is smaller than the sum of its proper divisors (110435532308).

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

100044157420 is a wasteful number, since it uses less digits than its factorization.

100044157420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 100044157420 its reverse (24751440001), we get a palindrome (124795597421).

The spelling of 100044157420 in words is "one hundred billion, forty-four million, one hundred fifty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1283 1451 2566 2687 2902 5132 5374 5804 6415 7255 10748 12830 13435 14510 25660 26870 29020 53740 1861633 3447421 3723266 3898837 6894842 7446532 7797674 9308165 13789684 15595348 17237105 18616330 19494185 34474210 37232660 38988370 68948420 77976740 5002207871 10004415742 20008831484 25011039355 50022078710 100044157420