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30355440044552 = 23753123713815987
BaseRepresentation
bin1101110011011101011010…
…01110001000101000001000
310222110221200210211212001122
412321232231032020220020
512434320420122411202
6144321032512534412
76252052050045530
oct671565516105010
9128427623755048
1030355440044552
1197437405a4397
1234a3107551408
1313c267608b93c
1476d2d550a4c0
153799347079a2
hex1b9bad388a08

30355440044552 has 128 divisors (see below), whose sum is σ = 66387373251840. Its totient is φ = 12742330199040.

The previous prime is 30355440044459. The next prime is 30355440044581. The reversal of 30355440044552 is 25544004455303.

It is a super-2 number, since 2×303554400445522 (a number of 28 digits) contains 22 as substring.

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, 5070222503 + ... + 5070228489.

It is an arithmetic number, because the mean of its divisors is an integer number (518651353530).

Almost surely, 230355440044552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30355440044552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33193686625920).

30355440044552 is an abundant number, since it is smaller than the sum of its proper divisors (36031933207288).

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

30355440044552 is a wasteful number, since it uses less digits than its factorization.

30355440044552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 44.

Adding to 30355440044552 its reverse (25544004455303), we get a palindrome (55899444499855).

The spelling of 30355440044552 in words is "thirty trillion, three hundred fifty-five billion, four hundred forty million, forty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1237 1381 1484 2474 2762 2968 4948 5524 5987 8659 9667 9896 11048 11974 17318 19334 23948 34636 38668 41909 47896 65561 69272 73193 77336 83818 131122 146386 167636 262244 292772 317311 335272 458927 512351 524488 585544 634622 917854 1024702 1269244 1708297 1835708 2049404 2221177 2538488 3416594 3671416 4098808 4442354 6833188 7405919 8268047 8884708 11958079 13666376 14811838 16536094 17769416 23916158 29623676 33072188 47832316 51841433 57876329 59247352 66144376 90539741 95664632 103682866 115752658 181079482 207365732 231505316 362158964 392513707 414731464 438206491 463010632 633778187 724317928 785027414 876412982 1267556374 1570054828 1752825964 2535112748 2747595949 3067445437 3140109656 3505651928 5070225496 5495191898 6134890874 10227574139 10990383796 12269781748 20455148278 21980767592 24539563496 40910296556 71593018973 81820593112 143186037946 286372075892 542061429367 572744151784 1084122858734 2168245717468 3794430005569 4336491434936 7588860011138 15177720022276 30355440044552