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190012698722 = 27211240032
BaseRepresentation
bin1011000011110110100…
…0111011000001100010
3200011110022102012202002
42300331220323001202
511103121222324342
6223142435324002
716504456201400
oct2607550730142
9604408365662
10190012698722
117364723aa00
12309aaa50602
1314bc2159a52
1492a7906470
154e21773d32
hex2c3da3b062

190012698722 has 54 divisors (see below), whose sum is σ = 364525099659. Its totient is φ = 74012427720.

The previous prime is 190012698671. The next prime is 190012698731. The reversal of 190012698722 is 227896210091.

It can be written as a sum of positive squares in only one way, i.e., 95006349361 + 95006349361 = 308231^2 + 308231^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=308231.

It is a super-2 number, since 2×1900126987222 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47465573 + ... + 47469575.

Almost surely, 2190012698722 is an apocalyptic number.

190012698722 is a deficient number, since it is larger than the sum of its proper divisors (174512400937).

190012698722 is an frugal number, since it uses more digits than its factorization.

190012698722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 190012698722 in words is "one hundred ninety billion, twelve million, six hundred ninety-eight thousand, seven hundred twenty-two".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 4003 5929 8006 11858 28021 44033 56042 88066 196147 308231 392294 484363 616462 968726 2157617 3390541 4315234 6781082 16024009 23733787 32048018 47467574 112168063 176264099 224336126 352528198 785176441 1233848693 1570352882 1938905089 2467697386 3877810178 8636940851 13572335623 17273881702 27144671246 95006349361 190012698722