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30520224421320 = 23351733314673467
BaseRepresentation
bin1101111000010000010110…
…01000101001010111001000
311000001201000220201112011010
412330020023020221113020
513000020404422440240
6144524444134003520
76300004420122204
oct674101310512710
9130051026645133
1030520224421320
1197a7611030637
12350b0354a65a0
1314050775bc91a
147772885d3b04
1537dd7b208280
hex1bc20b2295c8

30520224421320 has 64 divisors (see below), whose sum is σ = 91565961952320. Its totient is φ = 8138256406784.

The previous prime is 30520224421279. The next prime is 30520224421363. The reversal of 30520224421320 is 2312442202503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256774 + ... + 9416693.

It is an arithmetic number, because the mean of its divisors is an integer number (1430718155505).

Almost surely, 230520224421320 is an apocalyptic number.

30520224421320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30520224421320 is an abundant number, since it is smaller than the sum of its proper divisors (61045737531000).

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

30520224421320 is a wasteful number, since it uses less digits than its factorization.

30520224421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690814 (or 14690810 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 30520224421320 its reverse (2312442202503), we get a palindrome (32832666623823).

The spelling of 30520224421320 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-four million, four hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 17333 34666 51999 69332 86665 103998 138664 173330 207996 259995 346660 415992 519990 693320 1039980 2079960 14673467 29346934 44020401 58693868 73367335 88040802 117387736 146734670 176081604 220102005 293469340 352163208 440204010 586938680 880408020 1760816040 254335203511 508670407022 763005610533 1017340814044 1271676017555 1526011221066 2034681628088 2543352035110 3052022442132 3815028052665 5086704070220 6104044884264 7630056105330 10173408140440 15260112210660 30520224421320