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100211009975 = 5231374185237
BaseRepresentation
bin101110101010100001…
…0101010100110110111
3100120122212200202111222
41131111002222212313
53120213004304400
6114011501420555
710145215346636
oct1352502524667
9316585622458
10100211009975
113955455900a
121750856a75b
1395b045020b
144bc90ab51d
152917a1b185
hex17550aa9b7

100211009975 has 48 divisors (see below), whose sum is σ = 134951529216. Its totient is φ = 73643904000.

The previous prime is 100211009971. The next prime is 100211010019. The reversal of 100211009975 is 579900112001.

It is not a de Polignac number, because 100211009975 - 22 = 100211009971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211009971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1133057 + ... + 1218293.

It is an arithmetic number, because the mean of its divisors is an integer number (2811490192).

Almost surely, 2100211009975 is an apocalyptic number.

100211009975 is a deficient number, since it is larger than the sum of its proper divisors (34740519241).

100211009975 is a wasteful number, since it uses less digits than its factorization.

100211009975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85356 (or 85351 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The spelling of 100211009975 in words is "one hundred billion, two hundred eleven million, nine thousand, nine hundred seventy-five".

Divisors: 1 5 25 31 37 41 155 185 205 775 925 1025 1147 1271 1517 5735 6355 7585 28675 31775 37925 47027 85237 235135 426185 1175675 2130925 2642347 3153769 3494717 13211735 15768845 17473585 66058675 78844225 87367925 97766839 108336227 129304529 488834195 541681135 646522645 2444170975 2708405675 3232613225 4008440399 20042201995 100211009975