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33142222020 = 22354711752561
BaseRepresentation
bin11110110111011011…
…100010110011000100
310011112201221022122110
4132313123202303010
51020333402101040
623120400501020
72252203144665
oct366733426304
9104481838573
1033142222020
1113067a13a36
12650b31a770
13318238417b
1418658b336c
15cde912980
hex7b76e2cc4

33142222020 has 48 divisors (see below), whose sum is σ = 94772659968. Its totient is φ = 8649884160.

The previous prime is 33142221967. The next prime is 33142222021. The reversal of 33142222020 is 2022224133.

It is not an unprimeable number, because it can be changed into a prime (33142222021) 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, 5873461 + ... + 5879100.

It is an arithmetic number, because the mean of its divisors is an integer number (1974430416).

Almost surely, 233142222020 is an apocalyptic number.

33142222020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33142222020 is an abundant number, since it is smaller than the sum of its proper divisors (61630437948).

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

33142222020 is a wasteful number, since it uses less digits than its factorization.

33142222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752620 (or 11752618 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 33142222020 its reverse (2022224133), we get a palindrome (35164446153).

The spelling of 33142222020 in words is "thirty-three billion, one hundred forty-two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 11752561 23505122 35257683 47010244 58762805 70515366 117525610 141030732 176288415 235051220 352576830 552370367 705153660 1104740734 1657111101 2209481468 2761851835 3314222202 5523703670 6628444404 8285555505 11047407340 16571111010 33142222020