Base | Representation |
---|---|
bin | 101111001101111111… |
… | …0100101011001111111 |
3 | 100200201211002201220002 |
4 | 1132123332211121333 |
5 | 3130132141404211 |
6 | 114325533544515 |
7 | 10216546214360 |
oct | 1363376453177 |
9 | 320654081802 |
10 | 101401122431 |
11 | 3a005321124 |
12 | 1779b04513b |
13 | 973cb9207b |
14 | 4c9d185b67 |
15 | 298725203b |
hex | 179bfa567f |
101401122431 has 8 divisors (see below), whose sum is σ = 115891964064. Its totient is φ = 86911522560.
The previous prime is 101401122371. The next prime is 101401122457. The reversal of 101401122431 is 134221104101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101401122431 is a prime.
It is a super-2 number, since 2×1014011224312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101401122491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128330 + ... + 468263.
It is an arithmetic number, because the mean of its divisors is an integer number (14486495508).
Almost surely, 2101401122431 is an apocalyptic number.
101401122431 is a deficient number, since it is larger than the sum of its proper divisors (14490841633).
101401122431 is an equidigital number, since it uses as much as digits as its factorization.
101401122431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620881.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 101401122431 its reverse (134221104101), we get a palindrome (235622226532).
The spelling of 101401122431 in words is "one hundred one billion, four hundred one million, one hundred twenty-two thousand, four hundred thirty-one".
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