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106155605620 = 2255307780281
BaseRepresentation
bin110001011011101011…
…1011111111001110100
3101011000011111111201001
41202313113133321310
53214401313334440
6120433415013044
710445430521401
oct1426727377164
9334004444631
10106155605620
1141025087779
12186a736a184
13a019bbaa2c
1451d07b72a8
152b6485cb9a
hex18b75dfe74

106155605620 has 12 divisors (see below), whose sum is σ = 222926771844. Its totient is φ = 42462242240.

The previous prime is 106155605609. The next prime is 106155605623. The reversal of 106155605620 is 26506551601.

It can be written as a sum of positive squares in 2 ways, for example, as 45916775524 + 60238830096 = 214282^2 + 245436^2 .

It is a super-2 number, since 2×1061556056202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106155605620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106155605623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653890121 + ... + 2653890160.

It is an arithmetic number, because the mean of its divisors is an integer number (18577230987).

Almost surely, 2106155605620 is an apocalyptic number.

106155605620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106155605620 is an abundant number, since it is smaller than the sum of its proper divisors (116771166224).

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

106155605620 is a wasteful number, since it uses less digits than its factorization.

106155605620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307780290 (or 5307780288 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 106155605620 in words is "one hundred six billion, one hundred fifty-five million, six hundred five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 5307780281 10615560562 21231121124 26538901405 53077802810 106155605620