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100212210228 = 22313642385963
BaseRepresentation
bin101110101010100011…
…1001111101000110100
3100120122221221201221210
41131111013033220310
53120213311211403
6114011543241420
710145231506134
oct1352507175064
9316587851853
10100212210228
11395551a8859
1217508a49270
1395b0780620
144bc9300ac4
152917ba6b03
hex17551cfa34

100212210228 has 24 divisors (see below), whose sum is σ = 251815297888. Its totient is φ = 30834526176.

The previous prime is 100212210227. The next prime is 100212210229. The reversal of 100212210228 is 822012212001.

It is an interprime number because it is at equal distance from previous prime (100212210227) and next prime (100212210229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321192826 + ... + 321193137.

Almost surely, 2100212210228 is an apocalyptic number.

It is an amenable number.

100212210228 is an abundant number, since it is smaller than the sum of its proper divisors (151603087660).

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

100212210228 is a wasteful number, since it uses less digits than its factorization.

100212210228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642385983 (or 642385981 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 100212210228 its reverse (822012212001), we get a palindrome (922224422229).

The spelling of 100212210228 in words is "one hundred billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 642385963 1284771926 1927157889 2569543852 3854315778 7708631556 8351017519 16702035038 25053052557 33404070076 50106105114 100212210228