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70072041512 = 23116183157273
BaseRepresentation
bin100000101000010011…
…1101000000000101000
320200212102220112020202
41001100213220000220
52122001420312022
652105103011332
75030310345134
oct1012047500050
9220772815222
1070072041512
1127798927a10
12116b6b99b48
1367b934c475
14356a40a3c4
151c51ae1592
hex10509e8028

70072041512 has 64 divisors (see below), whose sum is σ = 147434938560. Its totient is φ = 30951129600.

The previous prime is 70072041509. The next prime is 70072041541. The reversal of 70072041512 is 21514027007.

It is a super-2 number, since 2×700720415122 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366908 + ... + 524180.

It is an arithmetic number, because the mean of its divisors is an integer number (2303670915).

Almost surely, 270072041512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70072041512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73717469280).

70072041512 is an abundant number, since it is smaller than the sum of its proper divisors (77362897048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70072041512 is a wasteful number, since it uses less digits than its factorization.

70072041512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157434 (or 157430 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 70072041512 its reverse (21514027007), we get a palindrome (91586068519).

The spelling of 70072041512 in words is "seventy billion, seventy-two million, forty-one thousand, five hundred twelve".

Divisors: 1 2 4 8 11 22 44 61 83 88 122 166 244 332 488 664 671 913 1342 1826 2684 3652 5063 5368 7304 10126 20252 40504 55693 111386 157273 222772 314546 445544 629092 1258184 1730003 3460006 6920012 9593653 13053659 13840024 19187306 26107318 38374612 52214636 76749224 104429272 105530183 143590249 211060366 287180498 422120732 574360996 796273199 844241464 1148721992 1592546398 3185092796 6370185592 8759005189 17518010378 35036020756 70072041512