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30142101120 = 273528195569
BaseRepresentation
bin11100000100100110…
…111111011010000000
32212210122200101110120
4130010212333122000
5443212334213440
621502545500240
72114643426555
oct340446773200
985718611416
1030142101120
111186848077a
125a12641680
132ac49598c1
14165d278a2c
15bb6347dd0
hex7049bf680

30142101120 has 128 divisors (see below), whose sum is σ = 96129288000. Its totient is φ = 8033599488.

The previous prime is 30142101091. The next prime is 30142101127. The reversal of 30142101120 is 2110124103.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30142101120.

It is not an unprimeable number, because it can be changed into a prime (30142101127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5409696 + ... + 5415264.

Almost surely, 230142101120 is an apocalyptic number.

30142101120 is a gapful number since it is divisible by the number (30) 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 30142101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48064644000).

30142101120 is an abundant number, since it is smaller than the sum of its proper divisors (65987186880).

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

30142101120 is a wasteful number, since it uses less digits than its factorization.

30142101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30142101120 its reverse (2110124103), we get a palindrome (32252225223).

The spelling of 30142101120 in words is "thirty billion, one hundred forty-two million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 2819 5569 5638 8457 11138 11276 14095 16707 16914 22276 22552 27845 28190 33414 33828 42285 44552 45104 55690 56380 66828 67656 83535 84570 89104 90208 111380 112760 133656 135312 167070 169140 178208 180416 222760 225520 267312 270624 334140 338280 356416 360832 445520 451040 534624 541248 668280 676560 712832 891040 902080 1069248 1082496 1336560 1353120 1782080 1804160 2138496 2673120 2706240 3564160 5346240 5412480 10692480 15699011 31398022 47097033 62796044 78495055 94194066 125592088 156990110 188388132 235485165 251184176 313980220 376776264 470970330 502368352 627960440 753552528 941940660 1004736704 1255920880 1507105056 1883881320 2009473408 2511841760 3014210112 3767762640 5023683520 6028420224 7535525280 10047367040 15071050560 30142101120