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33230211320 = 235830755283
BaseRepresentation
bin11110111100101011…
…001100100011111000
310011202212111122021102
4132330223030203320
51021023413230240
623133222430532
72254322064365
oct367453144370
9104685448242
1033230211320
1113102651669
126534892448
133197680b47
14187345946c
15ce74e3815
hex7bcacc8f8

33230211320 has 16 divisors (see below), whose sum is σ = 74767975560. Its totient is φ = 13292084512.

The previous prime is 33230211277. The next prime is 33230211323. The reversal of 33230211320 is 2311203233.

It is a super-2 number, since 2×332302113202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33230211292 and 33230211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230211323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415377602 + ... + 415377681.

Almost surely, 233230211320 is an apocalyptic number.

It is an amenable number.

33230211320 is an abundant number, since it is smaller than the sum of its proper divisors (41537764240).

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

33230211320 is a wasteful number, since it uses less digits than its factorization.

33230211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830755294 (or 830755290 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33230211320 its reverse (2311203233), we get a palindrome (35541414553).

The spelling of 33230211320 in words is "thirty-three billion, two hundred thirty million, two hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 830755283 1661510566 3323021132 4153776415 6646042264 8307552830 16615105660 33230211320