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20101212098 = 2116471412197
BaseRepresentation
bin10010101110001000…
…000010011111000010
31220212212222101010222
4102232020002133002
5312131402241343
613122342423042
71311061324622
oct225610023702
956785871128
1020101212098
118585679190
123a8ba31a82
131b84654056
14d89910882
157c9aaea68
hex4ae2027c2

20101212098 has 16 divisors (see below), whose sum is σ = 32943754944. Its totient is φ = 9122786160.

The previous prime is 20101212083. The next prime is 20101212113. The reversal of 20101212098 is 89021210102.

It is an interprime number because it is at equal distance from previous prime (20101212083) and next prime (20101212113).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691865 + ... + 720332.

It is an arithmetic number, because the mean of its divisors is an integer number (2058984684).

Almost surely, 220101212098 is an apocalyptic number.

20101212098 is a deficient number, since it is larger than the sum of its proper divisors (12842542846).

20101212098 is a wasteful number, since it uses less digits than its factorization.

20101212098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412857.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 20101212098 in words is "twenty billion, one hundred one million, two hundred twelve thousand, ninety-eight".

Divisors: 1 2 11 22 647 1294 7117 14234 1412197 2824394 15534167 31068334 913691459 1827382918 10050606049 20101212098