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163545010561454 = 2118768890063421
BaseRepresentation
bin100101001011111001001010…
…010000100110000110101110
3210110001202020222111110121012
4211023321022100212012232
5132414010140200431304
61335455312440305222
746306510551651224
oct4513711220460656
9713052228443535
10163545010561454
114812405a941475
1216414151172212
1370342c78104c2
142c55899482b14
1513d92ab02216e
hex94be4a4261ae

163545010561454 has 8 divisors (see below), whose sum is σ = 245524186036008. Its totient is φ = 81703615216120.

The previous prime is 163545010561393. The next prime is 163545010561469. The reversal of 163545010561454 is 454165010545361.

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

It is a super-2 number, since 2×1635450105614542 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34445029337 + ... + 34445034084.

It is an arithmetic number, because the mean of its divisors is an integer number (30690523254501).

Almost surely, 2163545010561454 is an apocalyptic number.

163545010561454 is a deficient number, since it is larger than the sum of its proper divisors (81979175474554).

163545010561454 is a wasteful number, since it uses less digits than its factorization.

163545010561454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68890064610.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 163545010561454 in words is "one hundred sixty-three trillion, five hundred forty-five billion, ten million, five hundred sixty-one thousand, four hundred fifty-four".

Divisors: 1 2 1187 2374 68890063421 137780126842 81772505280727 163545010561454