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30138602768100 = 22325244974582041
BaseRepresentation
bin1101101101001001100001…
…01101100100011011100100
310221201020000001020220101200
412312210300231210123210
512422242324302034400
6144033252153322500
76230304446442141
oct666446055443344
9127636001226350
1030138602768100
11966a789607192
123469091106430
1313a809a6b16b8
14762a051c73c8
15373e93000b00
hex1b6930b646e4

30138602768100 has 108 divisors (see below), whose sum is σ = 94678173216900. Its totient is φ = 8019060940800.

The previous prime is 30138602768077. The next prime is 30138602768123. The reversal of 30138602768100 is 186720683103.

30138602768100 is a `hidden beast` number, since 3 + 0 + 1 + 38 + 602 + 7 + 6 + 8 + 1 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30138602768077) and next prime (30138602768123).

It can be written as a sum of positive squares in 6 ways, for example, as 4428591954084 + 25710010814016 = 2104422^2 + 5070504^2 .

It is a super-2 number, since 2×301386027681002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36886921 + ... + 37695120.

Almost surely, 230138602768100 is an apocalyptic number.

30138602768100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30138602768100 is an abundant number, since it is smaller than the sum of its proper divisors (64539570448800).

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

30138602768100 is a wasteful number, since it uses less digits than its factorization.

30138602768100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74582510 (or 74582500 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 30138602768100 in words is "thirty trillion, one hundred thirty-eight billion, six hundred two million, seven hundred sixty-eight thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 449 450 898 900 1347 1796 2245 2694 4041 4490 5388 6735 8082 8980 11225 13470 16164 20205 22450 26940 33675 40410 44900 67350 80820 101025 134700 202050 404100 74582041 149164082 223746123 298328164 372910205 447492246 671238369 745820410 894984492 1118730615 1342476738 1491640820 1864551025 2237461230 2684953476 3356191845 3729102050 4474922460 5593653075 6712383690 7458204100 11187306150 13424767380 16780959225 22374612300 33487336409 33561918450 66974672818 67123836900 100462009227 133949345636 167436682045 200924018454 301386027681 334873364090 401848036908 502310046135 602772055362 669746728180 837183410225 1004620092270 1205544110724 1506930138405 1674366820450 2009240184540 2511550230675 3013860276810 3348733640900 5023100461350 6027720553620 7534650692025 10046200922700 15069301384050 30138602768100