Search a number
-
+
70993884437 = 7411042923719
BaseRepresentation
bin100001000011110010…
…0001011010100010101
320210020200112000000022
41002013210023110111
52130343413300222
652340353154525
75062203026630
oct1020744132425
9223220460008
1070993884437
1128121219173
121191385ba45
136905323058
143616a10c17
151ca79d5042
hex108790b515

70993884437 has 16 divisors (see below), whose sum is σ = 83126265600. Its totient is φ = 59359512960.

The previous prime is 70993884407. The next prime is 70993884487. The reversal of 70993884437 is 73448839907.

It is a cyclic number.

It is not a de Polignac number, because 70993884437 - 214 = 70993868053 is a prime.

It is a super-2 number, since 2×709938844372 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70993884437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70993884407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981264 + ... + 3004982.

It is an arithmetic number, because the mean of its divisors is an integer number (5195391600).

Almost surely, 270993884437 is an apocalyptic number.

It is an amenable number.

70993884437 is a deficient number, since it is larger than the sum of its proper divisors (12132381163).

70993884437 is a wasteful number, since it uses less digits than its factorization.

70993884437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34196.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 70993884437 in words is "seventy billion, nine hundred ninety-three million, eight hundred eighty-four thousand, four hundred thirty-seven".

Divisors: 1 7 41 287 10429 23719 73003 166033 427589 972479 2993123 6807353 247365451 1731558157 10141983491 70993884437