Search a number
-
+
70505620550716 = 221353121321090347
BaseRepresentation
bin10000000001111111011110…
…011101111011010000111100
3100020122021022220220001011011
4100001333132131323100330
533220131002330110331
6405541500202405004
720564602001300551
oct2001773635732074
9306567286801134
1070505620550716
11205132a17a555a
127aa8565800764
133045861425c20
14135a6c1322a28
1582402dcac3b1
hex401fde77b43c

70505620550716 has 48 divisors (see below), whose sum is σ = 135494687641824. Its totient is φ = 31900751191296.

The previous prime is 70505620550681. The next prime is 70505620550747. The reversal of 70505620550716 is 61705502650507.

It is a super-2 number, since 2×705056205507162 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70505620550716.

It is a congruent number.

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, 7202146 + ... + 13888201.

It is an arithmetic number, because the mean of its divisors is an integer number (2822805992538).

Almost surely, 270505620550716 is an apocalyptic number.

It is an amenable number.

70505620550716 is a deficient number, since it is larger than the sum of its proper divisors (64989067091108).

70505620550716 is a wasteful number, since it uses less digits than its factorization.

70505620550716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091630 (or 21091628 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 70505620550716 in words is "seventy trillion, five hundred five billion, six hundred twenty million, five hundred fifty thousand, seven hundred sixteen".

Divisors: 1 2 4 13 26 52 53 106 212 689 1213 1378 2426 2756 4852 15769 31538 63076 64289 128578 257156 835757 1671514 3343028 21090347 42180694 84361388 274174511 548349022 1096698044 1117788391 2235576782 4471153564 14531249083 25582590911 29062498166 51165181822 58124996332 102330363644 332573681843 665147363686 1330294727372 1355877318283 2711754636566 5423509273132 17626405137679 35252810275358 70505620550716