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30523201002120 = 23351229838924671
BaseRepresentation
bin1101111000010101111001…
…00011011001101010001000
311000001222201100200111101110
412330022330203121222020
513000043003424031440
6144530055344250320
76300141242465301
oct674127443315210
9130058640614343
1030523201002120
1197a88a9255872
12350b7263109a0
131405430194638
1477748ba617a8
1537dea26c3080
hex1bc2bc8d9a88

30523201002120 has 128 divisors (see below), whose sum is σ = 91658749824000. Its totient is φ = 8131598300160.

The previous prime is 30523201002071. The next prime is 30523201002131. The reversal of 30523201002120 is 2120010232503.

It is a super-4 number, since 4×305232010021204 (a number of 55 digits) contains 4444 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, 1237197385 + ... + 1237222055.

It is an arithmetic number, because the mean of its divisors is an integer number (716083983000).

Almost surely, 230523201002120 is an apocalyptic number.

30523201002120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30523201002120 is an abundant number, since it is smaller than the sum of its proper divisors (61135548821880).

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

30523201002120 is a wasteful number, since it uses less digits than its factorization.

30523201002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303 (or 34299 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30523201002120 its reverse (2120010232503), we get a palindrome (32643211234623).

The spelling of 30523201002120 in words is "thirty trillion, five hundred twenty-three billion, two hundred one million, two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1229 2458 3687 4916 6145 7374 8389 9832 12290 14748 16778 18435 24580 24671 25167 29496 33556 36870 41945 49160 49342 50334 67112 73740 74013 83890 98684 100668 123355 125835 147480 148026 167780 197368 201336 246710 251670 296052 335560 370065 493420 503340 592104 740130 986840 1006680 1480260 2960520 10310081 20620162 30320659 30930243 41240324 51550405 60641318 61860486 82480648 90961977 103100810 121282636 123720972 151603295 154651215 181923954 206201620 206965019 242565272 247441944 303206590 309302430 363847908 412403240 413930038 454809885 606413180 618604860 620895057 727695816 827860076 909619770 1034825095 1212826360 1237209720 1241790114 1655720152 1819239540 2069650190 2483580228 3104475285 3638479080 4139300380 4967160456 6208950570 8278600760 12417901140 24835802280 254360008351 508720016702 763080025053 1017440033404 1271800041755 1526160050106 2034880066808 2543600083510 3052320100212 3815400125265 5087200167020 6104640200424 7630800250530 10174400334040 15261600501060 30523201002120