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106291504918 = 253145752459
BaseRepresentation
bin110001011111101110…
…1111010011100010110
3101011100122012220111101
41202333131322130112
53220141111124133
6120455111500314
710452000612304
oct1427735723426
9334318186441
10106291504918
1141094868945
121872498769a
13a03c0c0711
145204871274
152b7175437d
hex18bf77a716

106291504918 has 4 divisors (see below), whose sum is σ = 159437257380. Its totient is φ = 53145752458.

The previous prime is 106291504849. The next prime is 106291504919. The reversal of 106291504918 is 819405192601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-5 number, since 5×1062915049185 (a number of 56 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106291504919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572876228 + ... + 26572876231.

It is an arithmetic number, because the mean of its divisors is an integer number (39859314345).

Almost surely, 2106291504918 is an apocalyptic number.

106291504918 is a deficient number, since it is larger than the sum of its proper divisors (53145752462).

106291504918 is an equidigital number, since it uses as much as digits as its factorization.

106291504918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53145752461.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 106291504918 in words is "one hundred six billion, two hundred ninety-one million, five hundred four thousand, nine hundred eighteen".

Divisors: 1 2 53145752459 106291504918