Base | Representation |
---|---|
bin | 1000111000101000001… |
… | …1000000001100010001 |
3 | 112120222201220020122211 |
4 | 2032022003000030101 |
5 | 10000101303222020 |
6 | 154042150432121 |
7 | 14012362505002 |
oct | 2161203001421 |
9 | 476881806584 |
10 | 152639898385 |
11 | 59809274957 |
12 | 256ba962641 |
13 | 11517481900 |
14 | 756021b1a9 |
15 | 3e8574185a |
hex | 238a0c0311 |
152639898385 has 12 divisors (see below), whose sum is σ = 198341549532. Its totient is φ = 112718693568.
The previous prime is 152639898373. The next prime is 152639898407. The reversal of 152639898385 is 583898936251.
It can be written as a sum of positive squares in 6 ways, for example, as 71783269776 + 80856628609 = 267924^2 + 284353^2 .
It is not a de Polignac number, because 152639898385 - 229 = 152103027473 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 152639898385.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90318622 + ... + 90320311.
It is an arithmetic number, because the mean of its divisors is an integer number (16528462461).
Almost surely, 2152639898385 is an apocalyptic number.
It is an amenable number.
152639898385 is a deficient number, since it is larger than the sum of its proper divisors (45701651147).
152639898385 is a wasteful number, since it uses less digits than its factorization.
152639898385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180638964 (or 180638951 counting only the distinct ones).
The product of its digits is 111974400, while the sum is 67.
The spelling of 152639898385 in words is "one hundred fifty-two billion, six hundred thirty-nine million, eight hundred ninety-eight thousand, three hundred eighty-five".
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