Base | Representation |
---|---|
bin | 1000000101011100101… |
… | …0010111110100001110 |
3 | 111021112021021122022122 |
4 | 2001113022113310032 |
5 | 4233432212242004 |
6 | 143451012412542 |
7 | 13015050325616 |
oct | 2012712276416 |
9 | 437467248278 |
10 | 138901290254 |
11 | 539a9180261 |
12 | 22b05917152 |
13 | 1013807369c |
14 | 6a19747a46 |
15 | 392e542cbe |
hex | 2057297d0e |
138901290254 has 8 divisors (see below), whose sum is σ = 210195758160. Its totient is φ = 68836037536.
The previous prime is 138901290223. The next prime is 138901290287. The reversal of 138901290254 is 452092109831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1389012902543 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307303514 + ... + 307303965.
It is an arithmetic number, because the mean of its divisors is an integer number (26274469770).
Almost surely, 2138901290254 is an apocalyptic number.
138901290254 is a deficient number, since it is larger than the sum of its proper divisors (71294467906).
138901290254 is a wasteful number, since it uses less digits than its factorization.
138901290254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 614607594.
The product of its (nonzero) digits is 155520, while the sum is 44.
The spelling of 138901290254 in words is "one hundred thirty-eight billion, nine hundred one million, two hundred ninety thousand, two hundred fifty-four".
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