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70992403704 = 233223109393301
BaseRepresentation
bin100001000011101111…
…0100001110011111000
320210020120201202211100
41002013132201303320
52130343023404304
652340301331400
75062154321625
oct1020736416370
9223216652740
1070992403704
11281203a7722
1211913266b60
136904c25091
14361674734c
151ca77e1439
hex10877a1cf8

70992403704 has 96 divisors (see below), whose sum is σ = 202471869600. Its totient is φ = 22427539200.

The previous prime is 70992403693. The next prime is 70992403739. The reversal of 70992403704 is 40730429907.

It is a self number, because there is not a number n which added to its sum of digits gives 70992403704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16147 + ... + 377154.

It is an arithmetic number, because the mean of its divisors is an integer number (2109081975).

Almost surely, 270992403704 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 70992403704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101235934800).

70992403704 is an abundant number, since it is smaller than the sum of its proper divisors (131479465896).

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

70992403704 is a wasteful number, since it uses less digits than its factorization.

70992403704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393445 (or 393438 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 70992403704 in words is "seventy billion, nine hundred ninety-two million, four hundred three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 109 138 184 207 218 276 327 414 436 552 654 828 872 981 1308 1656 1962 2507 2616 3924 5014 7521 7848 10028 15042 20056 22563 30084 45126 60168 90252 180504 393301 786602 1179903 1573204 2359806 3146408 3539709 4719612 7079418 9045923 9439224 14158836 18091846 27137769 28317672 36183692 42869809 54275538 72367384 81413307 85739618 108551076 128609427 162826614 171479236 217102152 257218854 325653228 342958472 385828281 514437708 651306456 771656562 986005607 1028875416 1543313124 1972011214 2958016821 3086626248 3944022428 5916033642 7888044856 8874050463 11832067284 17748100926 23664134568 35496201852 70992403704