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200403231144 = 23321491388541
BaseRepresentation
bin1011101010100011110…
…1101010000110101000
3201011021110000221122020
42322220331222012220
511240411211344034
6232021452424440
720323115234004
oct2725075520650
9634243027566
10200403231144
1177a99443786
1232a0a778120
1315b89a2239c
1499b1887704
15532da75249
hex2ea8f6a1a8

200403231144 has 32 divisors (see below), whose sum is σ = 501032679840. Its totient is φ = 66797796800.

The previous prime is 200403231143. The next prime is 200403231169. The reversal of 200403231144 is 441132304002.

200403231144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2004032311442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (200403231143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 321514 + ... + 710054.

It is an arithmetic number, because the mean of its divisors is an integer number (15657271245).

Almost surely, 2200403231144 is an apocalyptic number.

200403231144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200403231144 is an abundant number, since it is smaller than the sum of its proper divisors (300629448696).

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

200403231144 is a wasteful number, since it uses less digits than its factorization.

200403231144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410041 (or 410037 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 200403231144 its reverse (441132304002), we get a palindrome (641535535146).

The spelling of 200403231144 in words is "two hundred billion, four hundred three million, two hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 21491 42982 64473 85964 128946 171928 257892 388541 515784 777082 1165623 1554164 2331246 3108328 4662492 9324984 8350134631 16700269262 25050403893 33400538524 50100807786 66801077048 100201615572 200403231144