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142530252000 = 2535315775653
BaseRepresentation
bin1000010010111101110…
…1110000110011100000
3111121220011210222222020
42010233131300303200
54313400221031000
6145251045541440
713204014103203
oct2045735606340
9447804728866
10142530252000
11554a067a9a4
1223759114880
1310595b54026
146c816b593a
153a92e25ba0
hex212f770ce0

142530252000 has 192 divisors, whose sum is σ = 469909387584. Its totient is φ = 37765478400.

The previous prime is 142530251957. The next prime is 142530252013. The reversal of 142530252000 is 252035241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846174 + ... + 1921826.

It is an arithmetic number, because the mean of its divisors is an integer number (2447444727).

Almost surely, 2142530252000 is an apocalyptic number.

142530252000 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 142530252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234954693792).

142530252000 is an abundant number, since it is smaller than the sum of its proper divisors (327379135584).

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

142530252000 is a wasteful number, since it uses less digits than its factorization.

142530252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75838 (or 75820 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 142530252000 its reverse (252035241), we get a palindrome (142782287241).

The spelling of 142530252000 in words is "one hundred forty-two billion, five hundred thirty million, two hundred fifty-two thousand".