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2530421345452 = 22721113383235723
BaseRepresentation
bin100100110100101000110…
…111011000110010101100
322221220110102012000212211
4210310220313120302230
5312424300331023302
65214243131140204
7350550125356600
oct44645067306254
98856412160784
102530421345452
118961669773a0
1234a4b4ba4664
13154805150470
148a68a07b500
1545c4e717ad7
hex24d28dd8cac

2530421345452 has 144 divisors (see below), whose sum is σ = 6067603648512. Its totient is φ = 907661704320.

The previous prime is 2530421345443. The next prime is 2530421345467. The reversal of 2530421345452 is 2545431240352.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10616863 + ... + 10852585.

It is an arithmetic number, because the mean of its divisors is an integer number (42136136448).

Almost surely, 22530421345452 is an apocalyptic number.

2530421345452 is a gapful number since it is divisible by the number (22) 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 2530421345452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033801824256).

2530421345452 is an abundant number, since it is smaller than the sum of its proper divisors (3537182303060).

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

2530421345452 is a wasteful number, since it uses less digits than its factorization.

2530421345452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236148 (or 236139 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 2530421345452 in words is "two trillion, five hundred thirty billion, four hundred twenty-one million, three hundred forty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 143 154 182 196 286 308 364 383 539 572 637 766 1001 1078 1274 1532 2002 2156 2548 2681 4004 4213 4979 5362 7007 8426 9958 10724 14014 16852 18767 19916 28028 29491 34853 37534 54769 58982 69706 75068 109538 117964 139412 206437 219076 235723 243971 383383 412874 471446 487942 766766 825748 942892 975884 1533532 1650061 2592953 2683681 3064399 3300122 5185906 5367362 6128798 6600244 10371812 10734724 11550427 12257596 18150671 21450793 23100854 33708389 36301342 42901586 46201708 67416778 72602684 85803172 90281909 127054697 134833556 150155551 180563818 235958723 254109394 300311102 361127636 471917446 508218788 600622204 631973363 943834892 993100999 1173664817 1263946726 1651711061 1986201998 2347329634 2527893452 3303422122 3972403996 4423813541 4694659268 6606844244 6951706993 8215653719 8847627082 12910312987 13903413986 16431307438 17695254164 25820625974 27806827972 32862614876 48661948951 51641251948 57509576033 90372190909 97323897902 115019152066 180744381818 194647795804 230038304132 361488763636 632605336363 1265210672726 2530421345452