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210140142232020 = 22357111321023166429
BaseRepresentation
bin101111110001111100010000…
…100001111110000111010100
31000120001012102211012022210120
4233301330100201332013110
5210020414002402411040
62022533014300551540
762156060423206050
oct5761742041760724
91016035384168716
10210140142232020
1160a58a2aa47530
121b69a6985525b0
1390341905b8640
1439c6ba1206c60
15194636244b7d0
hexbf1f1087e1d4

210140142232020 has 384 divisors, whose sum is σ = 790051699261440. Its totient is φ = 40304441272320.

The previous prime is 210140142231989. The next prime is 210140142232049. The reversal of 210140142232020 is 20232241041012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1262558166 + ... + 1262724594.

It is an arithmetic number, because the mean of its divisors is an integer number (2057426300160).

Almost surely, 2210140142232020 is an apocalyptic number.

210140142232020 is a gapful number since it is divisible by the number (20) 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 210140142232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395025849630720).

210140142232020 is an abundant number, since it is smaller than the sum of its proper divisors (579911557029420).

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

210140142232020 is a wasteful number, since it uses less digits than its factorization.

210140142232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187495 (or 187493 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 210140142232020 its reverse (20232241041012), we get a palindrome (230372383273032).

The spelling of 210140142232020 in words is "two hundred ten trillion, one hundred forty billion, one hundred forty-two million, two hundred thirty-two thousand, twenty".