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2142434434031 = 174188118471889
BaseRepresentation
bin11111001011010011000…
…010110001101111101111
321120210222221100210101122
4133023103002301233233
5240100201203342111
64320115405131155
7310533344134463
oct37132302615757
97523887323348
102142434434031
11756668426281
122a7274b59abb
131270525aa278
14759a15424a3
153aae27c7cdb
hex1f2d30b1bef

2142434434031 has 32 divisors (see below), whose sum is σ = 2328917754240. Its totient is φ = 1962891673600.

The previous prime is 2142434433977. The next prime is 2142434434111. The reversal of 2142434434031 is 1304344342412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142434434031 is a prime.

It is a super-2 number, since 2×21424344340312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142434433982 and 2142434434000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142434439031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1134162335 + ... + 1134164223.

It is an arithmetic number, because the mean of its divisors is an integer number (72778679820).

Almost surely, 22142434434031 is an apocalyptic number.

2142434434031 is a deficient number, since it is larger than the sum of its proper divisors (186483320209).

2142434434031 is a wasteful number, since it uses less digits than its factorization.

2142434434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 2142434434031 its reverse (1304344342412), we get a palindrome (3446778776443).

The spelling of 2142434434031 in words is "two trillion, one hundred forty-two billion, four hundred thirty-four million, four hundred thirty-four thousand, thirty-one".

Divisors: 1 17 41 697 881 1847 1889 14977 31399 32113 36121 75727 77449 614057 1287359 1316633 1627207 1664209 3488983 27662519 28291553 59312711 66715487 68232569 143048303 1134163279 1159953673 2431821151 3073794023 52254498391 126025554943 2142434434031