Base | Representation |
---|---|
bin | 11111010111010010101… |
… | …011001011110110101010 |
3 | 21122001020110221102100220 |
4 | 133113102223023312222 |
5 | 240303040131321102 |
6 | 4330045344510510 |
7 | 311500445336445 |
oct | 37272253136652 |
9 | 7561213842326 |
10 | 2155313151402 |
11 | 7610770a3254 |
12 | 2a986a01b436 |
13 | 1283257c62a8 |
14 | 76463b3a65c |
15 | 3b0e826e1bc |
hex | 1f5d2acbdaa |
2155313151402 has 32 divisors (see below), whose sum is σ = 4446684780864. Its totient is φ = 696112876800.
The previous prime is 2155313151391. The next prime is 2155313151413. The reversal of 2155313151402 is 2041513135512.
It is an interprime number because it is at equal distance from previous prime (2155313151391) and next prime (2155313151413).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43921999 + ... + 43971042.
It is an arithmetic number, because the mean of its divisors is an integer number (138958899402).
Almost surely, 22155313151402 is an apocalyptic number.
2155313151402 is an abundant number, since it is smaller than the sum of its proper divisors (2291371629462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2155313151402 is a wasteful number, since it uses less digits than its factorization.
2155313151402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87893174.
The product of its (nonzero) digits is 18000, while the sum is 33.
Adding to 2155313151402 its reverse (2041513135512), we get a palindrome (4196826286914).
The spelling of 2155313151402 in words is "two trillion, one hundred fifty-five billion, three hundred thirteen million, one hundred fifty-one thousand, four hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.321 sec. • engine limits •