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142430140100 = 22521424301401
BaseRepresentation
bin1000010010100101111…
…1110111011011000100
3111121122012102210021002
42010221133313123010
54313144103440400
6145233112112432
713201360133603
oct2045137673304
9447565383232
10142430140100
115544a112396
122372b695718
131057b1a1611
146c72295a3a
153a8924ced5
hex21297f76c4

142430140100 has 18 divisors (see below), whose sum is σ = 309073404234. Its totient is φ = 56972056000.

The previous prime is 142430140093. The next prime is 142430140103. The reversal of 142430140100 is 1041034241.

It can be written as a sum of positive squares in 3 ways, for example, as 10440343684 + 131989796416 = 102178^2 + 363304^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (142430140103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712150601 + ... + 712150800.

Almost surely, 2142430140100 is an apocalyptic number.

142430140100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142430140100 is an abundant number, since it is smaller than the sum of its proper divisors (166643264134).

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

142430140100 is a wasteful number, since it uses less digits than its factorization.

142430140100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424301415 (or 1424301408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142430140100 its reverse (1041034241), we get a palindrome (143471174341).

The spelling of 142430140100 in words is "one hundred forty-two billion, four hundred thirty million, one hundred forty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1424301401 2848602802 5697205604 7121507005 14243014010 28486028020 35607535025 71215070050 142430140100