Base | Representation |
---|---|
bin | 1000111101011110001… |
… | …0100000001101011111 |
3 | 112201100100021100000220 |
4 | 2033113202200031133 |
5 | 10010232120023011 |
6 | 154415152252423 |
7 | 14056530265323 |
oct | 2172742401537 |
9 | 481310240026 |
10 | 153940001631 |
11 | 5a316132749 |
12 | 25a02241113 |
13 | 11693924880 |
14 | 7644b67983 |
15 | 400e952506 |
hex | 23d78a035f |
153940001631 has 32 divisors (see below), whose sum is σ = 232735319040. Its totient is φ = 89723458944.
The previous prime is 153940001623. The next prime is 153940001641. The reversal of 153940001631 is 136100049351.
It is not a de Polignac number, because 153940001631 - 23 = 153940001623 is a prime.
It is a super-2 number, since 2×1539400016312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 153940001592 and 153940001601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153940001641) 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, 3127050 + ... + 3175896.
It is an arithmetic number, because the mean of its divisors is an integer number (7272978720).
Almost surely, 2153940001631 is an apocalyptic number.
153940001631 is a deficient number, since it is larger than the sum of its proper divisors (78795317409).
153940001631 is a wasteful number, since it uses less digits than its factorization.
153940001631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53135.
The product of its (nonzero) digits is 9720, while the sum is 33.
The spelling of 153940001631 in words is "one hundred fifty-three billion, nine hundred forty million, one thousand, six hundred thirty-one".
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