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3133012020 = 223579660973
BaseRepresentation
bin1011101010111101…
…1111100000110100
322002100022111112020
42322233133200310
522404022341040
61234515153140
7140432106555
oct27257374064
98070274466
103133012020
11136855a336
127352a57b0
133ac115c88
1421a14c32c
151350b9cd0
hexbabdf834

3133012020 has 48 divisors (see below), whose sum is σ = 8883490560. Its totient is φ = 824893056.

The previous prime is 3133012019. The next prime is 3133012031. The reversal of 3133012020 is 202103313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 325747 + ... + 335226.

It is an arithmetic number, because the mean of its divisors is an integer number (185072720).

Almost surely, 23133012020 is an apocalyptic number.

3133012020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3133012020 is an abundant number, since it is smaller than the sum of its proper divisors (5750478540).

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

3133012020 is a wasteful number, since it uses less digits than its factorization.

3133012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661064 (or 661062 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3133012020 is about 55973.3152493222. The cubic root of 3133012020 is about 1463.2572582128.

Adding to 3133012020 its reverse (202103313), we get a palindrome (3335115333).

The spelling of 3133012020 in words is "three billion, one hundred thirty-three million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 660973 1321946 1982919 2643892 3304865 3965838 6609730 7931676 9914595 13219460 19829190 39658380 52216867 104433734 156650601 208867468 261084335 313301202 522168670 626602404 783253005 1044337340 1566506010 3133012020