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142233120552 = 23353111818491
BaseRepresentation
bin1000010001110111000…
…0010010111100101000
3111121010110201011020210
42010131300102330220
54312243134324202
6145201353221120
713163445401565
oct2043560227450
9447113634223
10142233120552
1155358985716
12236957017a0
131054941bac3
146c5404b86c
153a76cd1c6c
hex211dc12f28

142233120552 has 32 divisors (see below), whose sum is σ = 362291914080. Its totient is φ = 46516491840.

The previous prime is 142233120521. The next prime is 142233120553. The reversal of 142233120552 is 255021332241.

It is not an unprimeable number, because it can be changed into a prime (142233120553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55907974 + ... + 55910517.

It is an arithmetic number, because the mean of its divisors is an integer number (11321622315).

Almost surely, 2142233120552 is an apocalyptic number.

142233120552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142233120552 is an abundant number, since it is smaller than the sum of its proper divisors (220058793528).

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

142233120552 is a wasteful number, since it uses less digits than its factorization.

142233120552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111818553 (or 111818549 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 142233120552 its reverse (255021332241), we get a palindrome (397254452793).

The spelling of 142233120552 in words is "one hundred forty-two billion, two hundred thirty-three million, one hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 111818491 223636982 335455473 447273964 670910946 894547928 1341821892 2683643784 5926380023 11852760046 17779140069 23705520092 35558280138 47411040184 71116560276 142233120552