Search a number
-
+
22010012070 = 2356171169399
BaseRepresentation
bin10100011111111001…
…100010000110100110
32002210220201110110020
4110133321202012212
5330034030341240
614040010540010
71406300005254
oct243771420646
962726643406
1022010012070
119375094922
124323137606
1320c9c491a7
1410cb2295d4
1588c45a0d0
hex51fe621a6

22010012070 has 64 divisors (see below), whose sum is σ = 54446515200. Its totient is φ = 5691772800.

The previous prime is 22010012069. The next prime is 22010012099. The reversal of 22010012070 is 7021001022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45231 + ... + 214629.

It is an arithmetic number, because the mean of its divisors is an integer number (850726800).

Almost surely, 222010012070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22010012070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27223257600).

22010012070 is an abundant number, since it is smaller than the sum of its proper divisors (32436503130).

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

22010012070 is a wasteful number, since it uses less digits than its factorization.

22010012070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169541.

The product of its (nonzero) digits is 56, while the sum is 15.

Adding to 22010012070 its reverse (7021001022), we get a palindrome (29031013092).

The spelling of 22010012070 in words is "twenty-two billion, ten million, twelve thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 61 71 122 142 183 213 305 355 366 426 610 710 915 1065 1830 2130 4331 8662 12993 21655 25986 43310 64965 129930 169399 338798 508197 846995 1016394 1693990 2540985 5081970 10333339 12027329 20666678 24054658 31000017 36081987 51666695 60136645 62000034 72163974 103333390 120273290 155000085 180409935 310000170 360819870 733667069 1467334138 2201001207 3668335345 4402002414 7336670690 11005006035 22010012070