Search a number
-
+
70214104257 = 31119322392
BaseRepresentation
bin100000101100100010…
…1100011010011000001
320201020100020001200220
41001121011203103001
52122244302314012
652131135533253
75033654016213
oct1013105432301
9221210201626
1070214104257
1127861038840
121173668a229
13680c8cc66b
14358122a5b3
151c5e30408c
hex10591634c1

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".

Divisors: 1 3 11 33 193 239 579 717 2123 2629 6369 7887 37249 46127 57121 111747 138381 171363 409739 507397 628331 1229217 1522191 1884993 8902511 11024353 26707533 33073059 97927621 121267883 293782863 363803649 2127700129 6383100387 23404701419 70214104257