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133012020030 = 23514951296551
BaseRepresentation
bin111101111100000100…
…0100101101100111110
3110201022211120201100020
41323320020211230332
54134402034120110
6141034353113010
712416106341601
oct1737010455476
9421284521306
10133012020030
11514568aa38a
1221941558766
13c709c071c6
14661b520338
1536d74cdd70
hex1ef8225b3e

133012020030 has 32 divisors (see below), whose sum is σ = 319251276288. Its totient is φ = 35467380000.

The previous prime is 133012020019. The next prime is 133012020149. The reversal of 133012020030 is 30020210331.

It is a super-2 number, since 2×1330120200302 (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 133012019991 and 133012020009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300255 + ... + 596805.

It is an arithmetic number, because the mean of its divisors is an integer number (9976602384).

Almost surely, 2133012020030 is an apocalyptic number.

133012020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133012020030 is an abundant number, since it is smaller than the sum of its proper divisors (186239256258).

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

133012020030 is a wasteful number, since it uses less digits than its factorization.

133012020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311512.

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

Adding to 133012020030 its reverse (30020210331), we get a palindrome (163032230361).

The spelling of 133012020030 in words is "one hundred thirty-three billion, twelve million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 14951 29902 44853 74755 89706 149510 224265 296551 448530 593102 889653 1482755 1779306 2965510 4448265 8896530 4433734001 8867468002 13301202003 22168670005 26602404006 44337340010 66506010015 133012020030