Base | Representation |
---|---|
bin | 1000000100110111011… |
… | …0110000001111001110 |
3 | 111021010101111000112110 |
4 | 2001031312300033032 |
5 | 4233122224334322 |
6 | 143423314044450 |
7 | 13011143223450 |
oct | 2011566601716 |
9 | 437111430473 |
10 | 138745152462 |
11 | 53929026664 |
12 | 22a81579726 |
13 | 10111905b67 |
14 | 6a02b022d0 |
15 | 392099ec0c |
hex | 204ddb03ce |
138745152462 has 32 divisors (see below), whose sum is σ = 317164608000. Its totient is φ = 39637368288.
The previous prime is 138745152461. The next prime is 138745152499. The reversal of 138745152462 is 264251547831.
It is a super-2 number, since 2×1387451524622 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138745152461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251839 + ... + 583877.
It is an arithmetic number, because the mean of its divisors is an integer number (9911394000).
Almost surely, 2138745152462 is an apocalyptic number.
138745152462 is an abundant number, since it is smaller than the sum of its proper divisors (178419455538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138745152462 is a wasteful number, since it uses less digits than its factorization.
138745152462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342000.
The product of its digits is 1612800, while the sum is 48.
The spelling of 138745152462 in words is "one hundred thirty-eight billion, seven hundred forty-five million, one hundred fifty-two thousand, four hundred sixty-two".
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