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1030423212 = 2232713378501
BaseRepresentation
bin111101011010110…
…000001010101100
32122210220220220200
4331122300022230
54102242020322
6250125313500
734351311210
oct7532601254
92583826820
101030423212
11489713235
12249105890
1313562c9a0
149abca940
15606e08ac
hex3d6b02ac

1030423212 has 144 divisors (see below), whose sum is σ = 3292790592. Its totient is φ = 264384000.

The previous prime is 1030423211. The next prime is 1030423223. The reversal of 1030423212 is 2123240301.

1030423212 is a `hidden beast` number, since 1 + 0 + 30 + 423 + 212 = 666.

1030423212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1030423211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116962 + ... + 125462.

Almost surely, 21030423212 is an apocalyptic number.

1030423212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030423212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646395296).

1030423212 is an abundant number, since it is smaller than the sum of its proper divisors (2262367380).

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

1030423212 is a wasteful number, since it uses less digits than its factorization.

1030423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568 (or 8563 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1030423212 is about 32100.2057937328. The cubic root of 1030423212 is about 1010.0399330680.

Adding to 1030423212 its reverse (2123240301), we get a palindrome (3153663513).

The spelling of 1030423212 in words is "one billion, thirty million, four hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 37 39 42 52 63 74 78 84 91 111 117 126 148 156 182 222 234 252 259 273 333 364 444 468 481 518 546 666 777 819 962 1036 1092 1332 1443 1554 1638 1924 2331 2886 3108 3276 3367 4329 4662 5772 6734 8501 8658 9324 10101 13468 17002 17316 20202 25503 30303 34004 40404 51006 59507 60606 76509 102012 110513 119014 121212 153018 178521 221026 238028 306036 314537 331539 357042 442052 535563 629074 663078 714084 773591 943611 994617 1071126 1258148 1326156 1547182 1887222 1989234 2142252 2201759 2320773 2830833 3094364 3774444 3978468 4088981 4403518 4641546 5661666 6605277 6962319 8177962 8807036 9283092 11323332 12266943 13210554 13924638 16355924 19815831 24533886 26421108 27849276 28622867 36800829 39631662 49067772 57245734 73601658 79263324 85868601 114491468 147203316 171737202 257605803 343474404 515211606 1030423212