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23121011300 = 22521231187823
BaseRepresentation
bin10101100010000111…
…101010001001100100
32012200100021001212212
4111202013222021210
5334322434330200
614342135302552
71445650232132
oct254207521144
965610231785
1023121011300
119895232002
12459321aa58
13224617b49a
1411949cc752
15904c65035
hex5621ea264

23121011300 has 36 divisors (see below), whose sum is σ = 50213619456. Its totient is φ = 9240842400.

The previous prime is 23121011281. The next prime is 23121011323. The reversal of 23121011300 is 311012132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29189 + ... + 217011.

Almost surely, 223121011300 is an apocalyptic number.

23121011300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23121011300 is an abundant number, since it is smaller than the sum of its proper divisors (27092608156).

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

23121011300 is a wasteful number, since it uses less digits than its factorization.

23121011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189068 (or 189061 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23121011300 its reverse (311012132), we get a palindrome (23432023432).

The spelling of 23121011300 in words is "twenty-three billion, one hundred twenty-one million, eleven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1231 2462 4924 6155 12310 24620 30775 61550 123100 187823 375646 751292 939115 1878230 3756460 4695575 9391150 18782300 231210113 462420226 924840452 1156050565 2312101130 4624202260 5780252825 11560505650 23121011300