Search a number
-
+
142691055711078 = 23725571328668787
BaseRepresentation
bin100000011100011011011001…
…101100000011001101100110
3200201020010120000022211112010
4200130123121230003031212
5122200322240230223303
61223251211022135050
742025042244311440
oct4034333154031546
9621203500284463
10142691055711078
1141513a34001006
1214006595a21486
13618092a369444
1427343d920d490
151176ac61ebc03
hex81c6d9b03366

142691055711078 has 32 divisors (see below), whose sum is σ = 326278536931584. Its totient is φ = 40752929004192.

The previous prime is 142691055711077. The next prime is 142691055711097. The reversal of 142691055711078 is 870117550196241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142691055711077) 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, 664227000 + ... + 664441787.

It is an arithmetic number, because the mean of its divisors is an integer number (10196204279112).

Almost surely, 2142691055711078 is an apocalyptic number.

142691055711078 is an abundant number, since it is smaller than the sum of its proper divisors (183587481220506).

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

142691055711078 is a wasteful number, since it uses less digits than its factorization.

142691055711078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328671356.

The product of its (nonzero) digits is 4233600, while the sum is 57.

The spelling of 142691055711078 in words is "one hundred forty-two trillion, six hundred ninety-one billion, fifty-five million, seven hundred eleven thousand, seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 2557 5114 7671 15342 17899 35798 53697 107394 1328668787 2657337574 3986006361 7972012722 9300681509 18601363018 27902044527 55804089054 3397406088359 6794812176718 10192218265077 20384436530154 23781842618513 47563685237026 71345527855539 142691055711078