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106212445455 = 3547150655951
BaseRepresentation
bin110001011101011000…
…0010100110100001111
3101011011010110021022010
41202322300110310033
53220010341223310
6120443205152303
710450020614244
oct1427260246417
9334133407263
10106212445455
114105417a346
12187023bb693
13a0288cc47c
1451d81715cb
152b69839320
hex18bac14d0f

106212445455 has 16 divisors (see below), whose sum is σ = 173555656704. Its totient is φ = 55441389600.

The previous prime is 106212445399. The next prime is 106212445459. The reversal of 106212445455 is 554544212601.

It is a de Polignac number, because none of the positive numbers 2k-106212445455 is a prime.

It is a super-2 number, since 2×1062124454552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106212445459) 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, 75327271 + ... + 75328680.

It is an arithmetic number, because the mean of its divisors is an integer number (10847228544).

Almost surely, 2106212445455 is an apocalyptic number.

106212445455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106212445455 is a deficient number, since it is larger than the sum of its proper divisors (67343211249).

106212445455 is a wasteful number, since it uses less digits than its factorization.

106212445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150656006.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 106212445455 in words is "one hundred six billion, two hundred twelve million, four hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 3 5 15 47 141 235 705 150655951 451967853 753279755 2259839265 7080829697 21242489091 35404148485 106212445455