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154055550312145 = 594273326828573
BaseRepresentation
bin100011000001110011011010…
…010110100001111011010001
3202012110120022011212201220001
4203001303122112201323101
5130143021231334442040
61303352050502050001
744310101102501356
oct4301633226417321
9665416264781801
10154055550312145
11450a5656a27609
1215340bb8119901
1367c64b7282521
142a0848527c62d
1512c251218b59a
hex8c1cda5a1ed1

154055550312145 has 8 divisors (see below), whose sum is σ = 184868621911656. Its totient is φ = 123243132558336.

The previous prime is 154055550312121. The next prime is 154055550312163. The reversal of 154055550312145 is 541213055550451.

It can be written as a sum of positive squares in 4 ways, for example, as 32242454923536 + 121813095388609 = 5678244^2 + 11036897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154055550312145 - 27 = 154055550312017 is a prime.

It is a super-2 number, since 2×1540555503121452 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154055550312095 and 154055550312104.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 162942922 + ... + 163885651.

It is an arithmetic number, because the mean of its divisors is an integer number (23108577738957).

Almost surely, 2154055550312145 is an apocalyptic number.

It is an amenable number.

154055550312145 is a deficient number, since it is larger than the sum of its proper divisors (30813071599511).

154055550312145 is an equidigital number, since it uses as much as digits as its factorization.

154055550312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326922851.

The product of its (nonzero) digits is 1500000, while the sum is 46.

The spelling of 154055550312145 in words is "one hundred fifty-four trillion, fifty-five billion, five hundred fifty million, three hundred twelve thousand, one hundred forty-five".

Divisors: 1 5 94273 471365 326828573 1634142865 30811110062429 154055550312145