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143030241240 = 23354367715827
BaseRepresentation
bin1000010100110101000…
…1000100011111011000
3111200012000122002021020
42011031101010133120
54320411220204430
6145412430242440
713222264663605
oct2051521043730
9450160562236
10143030241240
115572792a247
1223878656420
1310645604253
146ccbc676ac
153ac1c8ab10
hex214d4447d8

143030241240 has 256 divisors, whose sum is σ = 451976785920. Its totient is φ = 36175265280.

The previous prime is 143030241239. The next prime is 143030241253. The reversal of 143030241240 is 42142030341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143030241240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24543207 + ... + 24549033.

It is an arithmetic number, because the mean of its divisors is an integer number (1765534320).

Almost surely, 2143030241240 is an apocalyptic number.

143030241240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143030241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225988392960).

143030241240 is an abundant number, since it is smaller than the sum of its proper divisors (308946544680).

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

143030241240 is a wasteful number, since it uses less digits than its factorization.

143030241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022 (or 6018 counting only the distinct ones).

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

Adding to 143030241240 its reverse (42142030341), we get a palindrome (185172271581).

The spelling of 143030241240 in words is "one hundred forty-three billion, thirty million, two hundred forty-one thousand, two hundred forty".