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100120031044 = 221123144768371
BaseRepresentation
bin101110100111110011…
…1100110111101000100
3100120102112111112212221
41131033213212331010
53120021211443134
6113554451422124
710143032136145
oct1351747467504
9316375445787
10100120031044
1139508169210
12174a1bb4944
139597647827
144bbad87acc
15290ea495b4
hex174f9e6f44

100120031044 has 48 divisors (see below), whose sum is σ = 199589354496. Its totient is φ = 43499728800.

The previous prime is 100120031009. The next prime is 100120031059. The reversal of 100120031044 is 440130021001.

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, 1430179 + ... + 1498549.

It is an arithmetic number, because the mean of its divisors is an integer number (4158111552).

Almost surely, 2100120031044 is an apocalyptic number.

It is an amenable number.

100120031044 is a deficient number, since it is larger than the sum of its proper divisors (99469323452).

100120031044 is a wasteful number, since it uses less digits than its factorization.

100120031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69856 (or 69854 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100120031044 its reverse (440130021001), we get a palindrome (540250052045).

The spelling of 100120031044 in words is "one hundred billion, one hundred twenty million, thirty-one thousand, forty-four".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 1447 2894 5788 15917 31834 33281 63668 66562 68371 133124 136742 273484 366091 732182 752081 1464364 1504162 1572533 3008324 3145066 6290132 17297863 34595726 69191452 98932837 197865674 395731348 1088261207 2176522414 2275455251 4353044828 4550910502 9101821004 25030007761 50060015522 100120031044