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106872198738 = 2361864733769
BaseRepresentation
bin110001110001000010…
…1000101011001010010
3101012212002220012122220
41203202011011121102
53222333240324423
6121032454041510
710502251462224
oct1434205053122
9335762805586
10106872198738
114136262a798
1218867349296
13a1024b9926
14525ba30414
152ba770b9e3
hex18e2145652

106872198738 has 32 divisors (see below), whose sum is σ = 217279962240. Its totient is φ = 35034975360.

The previous prime is 106872198731. The next prime is 106872198739. The reversal of 106872198738 is 837891278601.

It is a super-2 number, since 2×1068721987382 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106872198731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147918 + ... + 3181686.

It is an arithmetic number, because the mean of its divisors is an integer number (6789998820).

Almost surely, 2106872198738 is an apocalyptic number.

106872198738 is an abundant number, since it is smaller than the sum of its proper divisors (110407763502).

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

106872198738 is a wasteful number, since it uses less digits than its factorization.

106872198738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42482.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 106872198738 in words is "one hundred six billion, eight hundred seventy-two million, one hundred ninety-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 61 122 183 366 8647 17294 25941 33769 51882 67538 101307 202614 527467 1054934 1582401 2059909 3164802 4119818 6179727 12359454 292000543 584001086 876001629 1752003258 17812033123 35624066246 53436099369 106872198738