Base | Representation |
---|---|
bin | 100000101100100010… |
… | …1100011010011000001 |
3 | 20201020100020001200220 |
4 | 1001121011203103001 |
5 | 2122244302314012 |
6 | 52131135533253 |
7 | 5033654016213 |
oct | 1013105432301 |
9 | 221210201626 |
10 | 70214104257 |
11 | 27861038840 |
12 | 1173668a229 |
13 | 680c8cc66b |
14 | 358122a5b3 |
15 | 1c5e30408c |
hex | 10591634c1 |
70214104257 has 36 divisors (see below), whose sum is σ = 103092860304. Its totient is φ = 42156387840.
The previous prime is 70214104231. The next prime is 70214104273. The reversal of 70214104257 is 75240141207.
It is not a de Polignac number, because 70214104257 - 212 = 70214100161 is a prime.
It is a super-2 number, since 2×702141042572 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (70214104277) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 293782744 + ... + 293782982.
It is an arithmetic number, because the mean of its divisors is an integer number (2863690564).
Almost surely, 270214104257 is an apocalyptic number.
It is an amenable number.
70214104257 is a deficient number, since it is larger than the sum of its proper divisors (32878756047).
70214104257 is an equidigital number, since it uses as much as digits as its factorization.
70214104257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 878 (or 446 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 33.
Multiplying 70214104257 by its sum of digits (33), we get a square (2317065440481 = 15221912).
70214104257 divided by its sum of digits (33) gives a square (2127700129 = 461272).
It can be divided in two parts, 70214 and 104257, that added together give a palindrome (174471).
The spelling of 70214104257 in words is "seventy billion, two hundred fourteen million, one hundred four thousand, two hundred fifty-seven".
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