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3122330421 = 372137197787
BaseRepresentation
bin1011101000011010…
…1111101100110101
322001121012211010110
42322012233230311
522343304033141
61233454213233
7140242241100
oct27206575465
98047184113
103122330421
111362524071
127317b4219
133a9b460c2
1421896b737
151341a9e16
hexba1afb35

3122330421 has 48 divisors (see below), whose sum is σ = 4909139136. Its totient is φ = 1759935744.

The previous prime is 3122330417. The next prime is 3122330467. The reversal of 3122330421 is 1240332213.

It is not a de Polignac number, because 3122330421 - 22 = 3122330417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122330221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3966990 + ... + 3967776.

It is an arithmetic number, because the mean of its divisors is an integer number (102273732).

Almost surely, 23122330421 is an apocalyptic number.

It is an amenable number.

3122330421 is a deficient number, since it is larger than the sum of its proper divisors (1786808715).

3122330421 is a wasteful number, since it uses less digits than its factorization.

3122330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3122330421 is about 55877.8168954371. The cubic root of 3122330421 is about 1461.5924360305.

Adding to 3122330421 its reverse (1240332213), we get a palindrome (4362662634).

The spelling of 3122330421 in words is "three billion, one hundred twenty-two million, three hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 7 21 49 137 147 197 411 591 787 959 1379 2361 2877 4137 5509 6713 9653 16527 20139 26989 28959 38563 80967 107819 115689 155039 188923 323457 465117 566769 754733 1085273 1322461 2264199 3255819 3967383 5283131 7596911 15849393 21240343 22790733 63721029 148682401 446047203 1040776807 3122330421