Search a number
-
+
30421424122 = 2232315979199
BaseRepresentation
bin11100010101010000…
…100001011111111010
32220112010021110120221
4130111100201133322
5444300341032442
621550404410254
72124604560415
oct342520413772
986463243527
1030421424122
11119a1112231
125a900a698a
132b3a79809b
1416883c8b7c
15bd0b20467
hex7154217fa

30421424122 has 96 divisors (see below), whose sum is σ = 50964480000. Its totient is φ = 13597515360.

The previous prime is 30421424107. The next prime is 30421424123. The reversal of 30421424122 is 22142412403.

It is a super-2 number, since 2×304214241222 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30421424123) 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, 152871379 + ... + 152871577.

It is an arithmetic number, because the mean of its divisors is an integer number (530880000).

Almost surely, 230421424122 is an apocalyptic number.

30421424122 is a deficient number, since it is larger than the sum of its proper divisors (20543055878).

30421424122 is a wasteful number, since it uses less digits than its factorization.

30421424122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 30421424122 its reverse (22142412403), we get a palindrome (52563836525).

The spelling of 30421424122 in words is "thirty billion, four hundred twenty-one million, four hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 23 31 46 59 62 79 118 158 199 398 529 713 1058 1357 1426 1817 1829 2449 2714 3634 3658 4577 4661 4898 6169 9154 9322 11741 12338 15721 16399 23482 31211 31442 32798 41791 42067 56327 62422 83582 84134 105271 107203 112654 141887 144491 210542 214406 270043 283774 288982 361583 363971 487351 540086 723166 727942 927539 967541 974702 1295521 1855078 1935082 2465669 2591042 3263401 3323293 4931338 6210989 6526802 6646586 8316409 8371333 11209073 12421978 16632818 16742666 21333397 22418146 28753709 42666794 57507418 76435739 152871478 192540659 257808679 385081318 490668131 515617358 661335307 981336262 1322670614 15210712061 30421424122