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106164718920 = 233251322684769
BaseRepresentation
bin110001011011111101…
…0010000110101001000
3101011000210122111210200
41202313322100311020
53214411132001140
6120434342212200
710445601135651
oct1426772206510
9334023574720
10106164718920
114102a241727
12186aa424060
13a01ba5bb10
1451d1aaa528
152b6555d030
hex18b7e90d48

106164718920 has 96 divisors (see below), whose sum is σ = 371576532600. Its totient is φ = 26132852736.

The previous prime is 106164718861. The next prime is 106164718951. The reversal of 106164718920 is 29817461601.

106164718920 is a `hidden beast` number, since 1 + 0 + 616 + 4 + 7 + 1 + 8 + 9 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 93485508516 + 12679210404 = 305754^2 + 112602^2 .

It is a super-2 number, since 2×1061647189202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11337705 + ... + 11347064.

Almost surely, 2106164718920 is an apocalyptic number.

106164718920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106164718920 is an abundant number, since it is smaller than the sum of its proper divisors (265411813680).

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

106164718920 is a wasteful number, since it uses less digits than its factorization.

106164718920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684799 (or 22684792 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 106164718920 in words is "one hundred six billion, one hundred sixty-four million, seven hundred eighteen thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 22684769 45369538 68054307 90739076 113423845 136108614 181478152 204162921 226847690 272217228 294901997 340271535 408325842 453695380 544434456 589803994 680543070 816651684 884705991 907390760 1020814605 1179607988 1361086140 1474509985 1633303368 1769411982 2041629210 2359215976 2654117973 2722172280 2949019970 3538823964 4083258420 4423529955 5308235946 5898039940 7077647928 8166516840 8847059910 10616471892 11796079880 13270589865 17694119820 21232943784 26541179730 35388239640 53082359460 106164718920