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142101420123020 = 22517417945353303
BaseRepresentation
bin100000010011110110010000…
…101010110010001110001100
3200122010202121021221110100212
4200103312100222302032030
5122111142202022414040
61222120254033141552
741634326442436031
oct4023662052621614
9618122537843325
10142101420123020
11413069680a0616
1213b3025a0ba8b8
13613a14ca5a387
142713a6166b388
1511665b6220d65
hex813d90ab238c

142101420123020 has 24 divisors (see below), whose sum is σ = 315966687097824. Its totient is φ = 53497005222656.

The previous prime is 142101420123017. The next prime is 142101420123043. The reversal of 142101420123020 is 20321024101241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208972676312 + ... + 208972676991.

It is an arithmetic number, because the mean of its divisors is an integer number (13165278629076).

Almost surely, 2142101420123020 is an apocalyptic number.

142101420123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142101420123020 is an abundant number, since it is smaller than the sum of its proper divisors (173865266974804).

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

142101420123020 is a wasteful number, since it uses less digits than its factorization.

142101420123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417945353329 (or 417945353327 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 142101420123020 its reverse (20321024101241), we get a palindrome (162422444224261).

The spelling of 142101420123020 in words is "one hundred forty-two trillion, one hundred one billion, four hundred twenty million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 417945353303 835890706606 1671781413212 2089726766515 4179453533030 7105071006151 8358907066060 14210142012302 28420284024604 35525355030755 71050710061510 142101420123020