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142621114020 = 2235721113931727
BaseRepresentation
bin1000010011010011100…
…0010111111010100100
3111122010111210021020020
42010310320113322210
54314042001122040
6145304053235140
713206166316100
oct2046470277244
9448114707206
10142621114020
115553799a980
1223783632ab0
13105ab918438
146c8d7a8900
153a9adc2cd0
hex2134e17ea4

142621114020 has 288 divisors, whose sum is σ = 510429911040. Its totient is φ = 29421423360.

The previous prime is 142621113853. The next prime is 142621114087. The reversal of 142621114020 is 20411126241.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4479397 + ... + 4511123.

It is an arithmetic number, because the mean of its divisors is an integer number (1772326080).

Almost surely, 2142621114020 is an apocalyptic number.

142621114020 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 142621114020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255214955520).

142621114020 is an abundant number, since it is smaller than the sum of its proper divisors (367808797020).

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

142621114020 is a wasteful number, since it uses less digits than its factorization.

142621114020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31903 (or 31894 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 142621114020 in words is "one hundred forty-two billion, six hundred twenty-one million, one hundred fourteen thousand, twenty".