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3445131223345 = 57378633082657
BaseRepresentation
bin110010001000100001110…
…100101010000100110001
3110012100111010012100002111
4302020201310222010301
5422421112043121340
611154401010245321
7503621364140530
oct62104164520461
913170433170074
103445131223345
111109087841169
12477833586841
131bcb4a305916
14bca60d26317
155e93834baea
hex32221d2a131

3445131223345 has 32 divisors (see below), whose sum is σ = 4858071717888. Its totient is φ = 2295863543808.

The previous prime is 3445131223343. The next prime is 3445131223351. The reversal of 3445131223345 is 5433221315443.

It is a cyclic number.

It is not a de Polignac number, because 3445131223345 - 21 = 3445131223343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3445131223298 and 3445131223307.

It is not an unprimeable number, because it can be changed into a prime (3445131223343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423744 + ... + 2658913.

It is an arithmetic number, because the mean of its divisors is an integer number (151814741184).

Almost surely, 23445131223345 is an apocalyptic number.

3445131223345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3445131223345 is a deficient number, since it is larger than the sum of its proper divisors (1412940494543).

3445131223345 is a wasteful number, since it uses less digits than its factorization.

3445131223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083569.

The product of its digits is 518400, while the sum is 40.

Adding to 3445131223345 its reverse (5433221315443), we get a palindrome (8878352538788).

The spelling of 3445131223345 in words is "three trillion, four hundred forty-five billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred forty-five".

Divisors: 1 5 7 35 37 185 259 863 1295 4315 6041 30205 31931 159655 223517 1117585 3082657 15413285 21578599 107892995 114058309 570291545 798408163 2660332991 3992040815 13301664955 18622330937 93111654685 98432320667 492161603335 689026244669 3445131223345