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142341501691 = 1131259659307
BaseRepresentation
bin1000010010010000110…
…1101111001011111011
3111121102000122111020001
42010210031233023323
54313003411023231
6145220224213431
713166232541564
oct2044415571373
9447360574201
10142341501691
1155404081004
1223705a6a277
1310565a0835c
146c645c116b
153a8158eb61
hex212436f2fb

142341501691 has 4 divisors (see below), whose sum is σ = 143601161112. Its totient is φ = 141081842272.

The previous prime is 142341501671. The next prime is 142341501703. The reversal of 142341501691 is 196105143241.

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

It is a cyclic number.

It is not a de Polignac number, because 142341501691 - 219 = 142340977403 is a prime.

It is a super-2 number, since 2×1423415016912 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142341501691.

It is not an unprimeable number, because it can be changed into a prime (142341501611) 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, 629829541 + ... + 629829766.

It is an arithmetic number, because the mean of its divisors is an integer number (35900290278).

Almost surely, 2142341501691 is an apocalyptic number.

142341501691 is a deficient number, since it is larger than the sum of its proper divisors (1259659421).

142341501691 is a wasteful number, since it uses less digits than its factorization.

142341501691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259659420.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 142341501691 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, six hundred ninety-one".

Divisors: 1 113 1259659307 142341501691