Search a number
-
+
30520042316426 = 21319193682746889
BaseRepresentation
bin1101111000010000000000…
…10001111110001010001010
311000001200120020001122012102
412330020000101332022022
513000020021313111201
6144524414110513402
76300000046216145
oct674100021761212
9130050506048172
1030520042316426
1197a7528260523
12350aba4505862
13140504895c950
1477726c34d05c
1537dd6a23626b
hex1bc20047e28a

30520042316426 has 64 divisors (see below), whose sum is σ = 52174075363200. Its totient is φ = 13273424142336.

The previous prime is 30520042316359. The next prime is 30520042316443. The reversal of 30520042316426 is 62461324002503.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 30520042316426.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650876390 + ... + 650923278.

It is an arithmetic number, because the mean of its divisors is an integer number (815219927550).

Almost surely, 230520042316426 is an apocalyptic number.

30520042316426 is a deficient number, since it is larger than the sum of its proper divisors (21654033046774).

30520042316426 is a wasteful number, since it uses less digits than its factorization.

30520042316426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53943.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 30520042316426 its reverse (62461324002503), we get a palindrome (92981366318929).

The spelling of 30520042316426 in words is "thirty trillion, five hundred twenty billion, forty-two million, three hundred sixteen thousand, four hundred twenty-six".

Divisors: 1 2 13 19 26 38 193 247 386 494 2509 3667 5018 6827 7334 13654 46889 47671 88751 93778 95342 129713 177502 259426 609557 890891 1219114 1317611 1686269 1781782 2635222 3372538 9049577 11581583 17128943 18099154 23163166 25034609 34257886 50069218 117644501 171941963 235289002 320111203 325449917 343883926 640222406 650899834 2235245519 4161445639 4470491038 6082112857 8322891278 12164225714 61781462179 79067467141 123562924358 158134934282 803159008327 1173847781401 1606318016654 2347695562802 15260021158213 30520042316426