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142145331252510 = 23531152844442207
BaseRepresentation
bin100000010100011111001001…
…111110011100110100011110
3200122021221221112110221220010
4200110133021332130310132
5122112402114300040020
61222152355205104050
741640442551043515
oct4024371176346436
9618257845427803
10142145331252510
1141323550853083
1213b388739b8026
13614132a1b6531
142715c2945767c
1511677d6275de0
hex8147c9f9cd1e

142145331252510 has 32 divisors (see below), whose sum is σ = 352153594847232. Its totient is φ = 36682666129440.

The previous prime is 142145331252503. The next prime is 142145331252539. The reversal of 142145331252510 is 15252133541241.

It is a super-2 number, since 2×1421453312525102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76422220174 + ... + 76422222033.

It is an arithmetic number, because the mean of its divisors is an integer number (11004799838976).

Almost surely, 2142145331252510 is an apocalyptic number.

142145331252510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142145331252510 is an abundant number, since it is smaller than the sum of its proper divisors (210008263594722).

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

142145331252510 is a wasteful number, since it uses less digits than its factorization.

142145331252510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152844442248.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 142145331252510 its reverse (15252133541241), we get a palindrome (157397464793751).

The spelling of 142145331252510 in words is "one hundred forty-two trillion, one hundred forty-five billion, three hundred thirty-one million, two hundred fifty-two thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 152844442207 305688884414 458533326621 764222211035 917066653242 1528444422070 2292666633105 4585333266210 4738177708417 9476355416834 14214533125251 23690888542085 28429066250502 47381777084170 71072665626255 142145331252510