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2321012412 = 22321913125903
BaseRepresentation
bin1000101001010111…
…1101011010111100
312222202101122110200
42022111331122330
514223134344122
61022151203500
7111342165015
oct21225753274
95882348420
102321012412
11a91172a84
12549376590
132acb21334
1418037c00c
15d8b725ac
hex8a57d6bc

2321012412 has 72 divisors (see below), whose sum is σ = 6223176960. Its totient is φ = 727328160.

The previous prime is 2321012401. The next prime is 2321012417. The reversal of 2321012412 is 2142101232.

It is a happy number.

2321012412 is a `hidden beast` number, since 232 + 10 + 12 + 412 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321012417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76653 + ... + 102555.

Almost surely, 22321012412 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 2321012412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111588480).

2321012412 is an abundant number, since it is smaller than the sum of its proper divisors (3902164548).

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

2321012412 is a wasteful number, since it uses less digits than its factorization.

2321012412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26063 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2321012412 is about 48176.8866989140. The cubic root of 2321012412 is about 1324.0137266096.

Adding to 2321012412 its reverse (2142101232), we get a palindrome (4463113644).

The spelling of 2321012412 in words is "two billion, three hundred twenty-one million, twelve thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 131 171 228 262 342 393 524 684 786 1179 1572 2358 2489 4716 4978 7467 9956 14934 22401 25903 29868 44802 51806 77709 89604 103612 155418 233127 310836 466254 492157 932508 984314 1476471 1968628 2952942 3393293 4429413 5905884 6786586 8858826 10179879 13573172 17717652 20359758 30539637 40719516 61079274 64472567 122158548 128945134 193417701 257890268 386835402 580253103 773670804 1160506206 2321012412