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21233141300 = 2252730333059
BaseRepresentation
bin10011110001100110…
…000000011000110100
32000210202220100002202
4103301212000120310
5321441141010200
613430535524032
71351114503020
oct236146003064
960722810082
1021233141300
119006611368
124146b29618
132005003b47
141055da1380
158441511d5
hex4f1980634

21233141300 has 36 divisors (see below), whose sum is σ = 52658192160. Its totient is φ = 7279933920.

The previous prime is 21233141291. The next prime is 21233141327. The reversal of 21233141300 is 314133212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 15165830 + ... + 15167229.

It is an arithmetic number, because the mean of its divisors is an integer number (1462727560).

Almost surely, 221233141300 is an apocalyptic number.

21233141300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233141300 is an abundant number, since it is smaller than the sum of its proper divisors (31425050860).

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

21233141300 is a wasteful number, since it uses less digits than its factorization.

21233141300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30333080 (or 30333073 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21233141300 its reverse (314133212), we get a palindrome (21547274512).

The spelling of 21233141300 in words is "twenty-one billion, two hundred thirty-three million, one hundred forty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 30333059 60666118 121332236 151665295 212331413 303330590 424662826 606661180 758326475 849325652 1061657065 1516652950 2123314130 3033305900 4246628260 5308285325 10616570650 21233141300