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142425013541 = 178377941973
BaseRepresentation
bin1000010010100100110…
…0010011110100100101
3111121121211210022221112
42010221030103310211
54313141300413131
6145232410154405
713201265432426
oct2045114236445
9447554708845
10142425013541
1155447230768
1223729a22a05
131057a0c8055
146c7171d64d
153a88a8902b
hex2129313d25

142425013541 has 4 divisors (see below), whose sum is σ = 150802955532. Its totient is φ = 134047071552.

The previous prime is 142425013537. The next prime is 142425013547. The reversal of 142425013541 is 145310524241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124534881025 + 17890132516 = 352895^2 + 133754^2 .

It is not a de Polignac number, because 142425013541 - 22 = 142425013537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142425013498 and 142425013507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142425013547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188970970 + ... + 4188971003.

It is an arithmetic number, because the mean of its divisors is an integer number (37700738883).

Almost surely, 2142425013541 is an apocalyptic number.

It is an amenable number.

142425013541 is a deficient number, since it is larger than the sum of its proper divisors (8377941991).

142425013541 is an equidigital number, since it uses as much as digits as its factorization.

142425013541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377941990.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 142425013541 its reverse (145310524241), we get a palindrome (287735537782).

The spelling of 142425013541 in words is "one hundred forty-two billion, four hundred twenty-five million, thirteen thousand, five hundred forty-one".

Divisors: 1 17 8377941973 142425013541