Base | Representation |
---|---|
bin | 11101110010010100001110… |
… | …000010011111111100010010 |
3 | 122011211120120020021010222122 |
4 | 131302110032002133330102 |
5 | 114132310103424001232 |
6 | 1142341013241534242 |
7 | 36410340502114130 |
oct | 3562241602377422 |
9 | 564746506233878 |
10 | 131001033031442 |
11 | 38817253a57a12 |
12 | 12838a64aa4382 |
13 | 5813462884922 |
14 | 244c6ab8b0750 |
15 | 1022986868312 |
hex | 77250e09ff12 |
131001033031442 has 128 divisors (see below), whose sum is σ = 236253850398720. Its totient is φ = 53324080185600.
The previous prime is 131001033031411. The next prime is 131001033031457. The reversal of 131001033031442 is 244130330100131.
It is a super-2 number, since 2×1310010330314422 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 822310748 + ... + 822470040.
It is an arithmetic number, because the mean of its divisors is an integer number (1845733206240).
Almost surely, 2131001033031442 is an apocalyptic number.
131001033031442 is a deficient number, since it is larger than the sum of its proper divisors (105252817367278).
131001033031442 is a wasteful number, since it uses less digits than its factorization.
131001033031442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159688.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 131001033031442 its reverse (244130330100131), we get a palindrome (375131363131573).
The spelling of 131001033031442 in words is "one hundred thirty-one trillion, one billion, thirty-three million, thirty-one thousand, four hundred forty-two".
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