Search a number
-
+
33121013030 = 2571134187233
BaseRepresentation
bin11110110110001010…
…101000110100100110
310011111021000210101022
4132312022220310212
51020312434404110
623114322131142
72251524652130
oct366612506446
9104437023338
1033121013030
1113056a48346
1265041b0ab2
13317ab69681
141862b52050
15cdcb23755
hex7b62a8d26

33121013030 has 32 divisors (see below), whose sum is σ = 68737633344. Its totient is φ = 11255279616.

The previous prime is 33121013021. The next prime is 33121013033. The reversal of 33121013030 is 3031012133.

It is a super-3 number, since 3×331210130303 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121013033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085707 + ... + 2101526.

It is an arithmetic number, because the mean of its divisors is an integer number (2148051042).

Almost surely, 233121013030 is an apocalyptic number.

33121013030 is an abundant number, since it is smaller than the sum of its proper divisors (35616620314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33121013030 is a wasteful number, since it uses less digits than its factorization.

33121013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187360.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 33121013030 its reverse (3031012133), we get a palindrome (36152025163).

The spelling of 33121013030 in words is "thirty-three billion, one hundred twenty-one million, thirteen thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 113 226 565 791 1130 1582 3955 7910 4187233 8374466 20936165 29310631 41872330 58621262 146553155 293106310 473157329 946314658 2365786645 3312101303 4731573290 6624202606 16560506515 33121013030