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30323214012 = 22371347335867
BaseRepresentation
bin11100001111011001…
…111000011010111100
32220021021110212122110
4130033121320122330
5444100220322022
621532535414020
72122303031520
oct341731703274
986237425573
1030323214012
1111950733553
125a63224310
132b233301b0
141679341d80
15bc71c100c
hex70f6786bc

30323214012 has 96 divisors (see below), whose sum is σ = 87115295232. Its totient is φ = 7994278656.

The previous prime is 30323214011. The next prime is 30323214013. The reversal of 30323214012 is 21041232303.

It is an interprime number because it is at equal distance from previous prime (30323214011) and next prime (30323214013).

It is a super-2 number, since 2×303232140122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30323214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323214011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5165503 + ... + 5171369.

It is an arithmetic number, because the mean of its divisors is an integer number (907450992).

Almost surely, 230323214012 is an apocalyptic number.

It is an amenable number.

30323214012 is an abundant number, since it is smaller than the sum of its proper divisors (56792081220).

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

30323214012 is a wasteful number, since it uses less digits than its factorization.

30323214012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627 (or 10625 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30323214012 its reverse (21041232303), we get a palindrome (51364446315).

The spelling of 30323214012 in words is "thirty billion, three hundred twenty-three million, two hundred fourteen thousand, twelve".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 4733 5867 9466 11734 14199 17601 18932 23468 28398 33131 35202 41069 56796 61529 66262 70404 76271 82138 99393 123058 123207 132524 152542 164276 184587 198786 228813 246116 246414 305084 369174 397572 430703 457626 492828 533897 738348 861406 915252 1067794 1292109 1601691 1722812 2135588 2584218 3203382 5168436 6406764 27768511 55537022 83305533 111074044 166611066 194379577 333222132 360990643 388759154 583138731 721981286 777518308 1082971929 1166277462 1443962572 2165943858 2332554924 2526934501 4331887716 5053869002 7580803503 10107738004 15161607006 30323214012