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21033562092 = 2234917614691
BaseRepresentation
bin10011100101101100…
…101010111111101100
32000021212100122220020
4103211230222333230
5321034042441332
613355050122140
71343142220314
oct234554527754
960255318806
1021033562092
118a13996574
1240b0120350
131ca286623a
14103768c444
1583187b82c
hex4e5b2afec

21033562092 has 48 divisors (see below), whose sum is σ = 49253387904. Its totient is φ = 6986224000.

The previous prime is 21033562079. The next prime is 21033562097. The reversal of 21033562092 is 29026533012.

It is not an unprimeable number, because it can be changed into a prime (21033562097) 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, 4481467 + ... + 4486157.

It is an arithmetic number, because the mean of its divisors is an integer number (1026112248).

Almost surely, 221033562092 is an apocalyptic number.

It is an amenable number.

21033562092 is an abundant number, since it is smaller than the sum of its proper divisors (28219825812).

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

21033562092 is a wasteful number, since it uses less digits than its factorization.

21033562092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 21033562092 in words is "twenty-one billion, thirty-three million, five hundred sixty-two thousand, ninety-two".

Divisors: 1 2 3 4 6 12 491 761 982 1473 1522 1964 2283 2946 3044 4566 4691 5892 9132 9382 14073 18764 28146 56292 373651 747302 1120953 1494604 2241906 2303281 3569851 4483812 4606562 6909843 7139702 9213124 10709553 13819686 14279404 21419106 27639372 42838212 1752796841 3505593682 5258390523 7011187364 10516781046 21033562092