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142563937780 = 22511809801011
BaseRepresentation
bin1000010011000101111…
…0010000110111110100
3111121222112012102011201
42010301132100313310
54313432332002110
6145254251542244
713204603322365
oct2046136206764
9447875172151
10142563937780
1155508698590
122376845a984
131059cb19844
146c85d63b6c
153a95d7bb3a
hex2131790df4

142563937780 has 48 divisors (see below), whose sum is σ = 327005138880. Its totient is φ = 51777286400.

The previous prime is 142563937777. The next prime is 142563937781. The reversal of 142563937780 is 87739365241.

It is a super-2 number, since 2×1425639377802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142563937781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222526 + ... + 578485.

It is an arithmetic number, because the mean of its divisors is an integer number (6812607060).

It is a 1-persistent number, because it is pandigital, but 2⋅142563937780 = 285127875560 is not.

Almost surely, 2142563937780 is an apocalyptic number.

142563937780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142563937780 is an abundant number, since it is smaller than the sum of its proper divisors (184441201100).

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

142563937780 is a wasteful number, since it uses less digits than its factorization.

142563937780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801840 (or 801838 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 142563937780 in words is "one hundred forty-two billion, five hundred sixty-three million, nine hundred thirty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 809 1618 3236 4045 8090 8899 16180 17798 35596 44495 88990 177980 801011 1602022 3204044 4005055 8010110 8811121 16020220 17622242 35244484 44055605 88111210 176222420 648017899 1296035798 2592071596 3240089495 6480178990 7128196889 12960357980 14256393778 28512787556 35640984445 71281968890 142563937780