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161065552330354 = 2756785720259823
BaseRepresentation
bin100100100111110011111111…
…000010000011111001110010
3210010021201100021101212212011
4210213303333002003321302
5132102344222344032404
61330320254313353134
745632413351510540
oct4447637702037162
9703251307355764
10161065552330354
1147358576358201
12160936bb7087aa
136bb4554b23b09
142bab885a00d90
151394a409e6604
hex927cff083e72

161065552330354 has 16 divisors (see below), whose sum is σ = 276112875287808. Its totient is φ = 69027968889792.

The previous prime is 161065552330271. The next prime is 161065552330399. The reversal of 161065552330354 is 453033255560161.

It is a super-2 number, since 2×1610655523303542 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161065552330298 and 161065552330307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179914 + ... + 18079909.

It is an arithmetic number, because the mean of its divisors is an integer number (17257054705488).

Almost surely, 2161065552330354 is an apocalyptic number.

161065552330354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161065552330354 is a deficient number, since it is larger than the sum of its proper divisors (115047322957454).

161065552330354 is a wasteful number, since it uses less digits than its factorization.

161065552330354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20827689.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 161065552330354 in words is "one hundred sixty-one trillion, sixty-five billion, five hundred fifty-two million, three hundred thirty thousand, three hundred fifty-four".

Divisors: 1 2 7 14 567857 1135714 3974999 7949998 20259823 40519646 141818761 283637522 11504682309311 23009364618622 80532776165177 161065552330354