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30378015128032 = 25111331214146847
BaseRepresentation
bin1101110100000111011101…
…10011001111100111100000
310222120002222002211220202121
412322003232303033213200
512440203133333044112
6144335244551154024
76253511351066455
oct672035663174740
9128502862756677
1030378015128032
11975227564a780
1234a7567975914
1313c48330c42c0
147704377c982c
1537a306581407
hex1ba0eeccf9e0

30378015128032 has 96 divisors (see below), whose sum is σ = 72528967655424. Its totient is φ = 12334858329600.

The previous prime is 30378015127937. The next prime is 30378015128033. The reversal of 30378015128032 is 23082151087303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30378015128032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30378015128033) 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, 106931568 + ... + 107215279.

It is an arithmetic number, because the mean of its divisors is an integer number (755510079744).

Almost surely, 230378015128032 is an apocalyptic number.

30378015128032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30378015128032 is an abundant number, since it is smaller than the sum of its proper divisors (42150952527392).

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

30378015128032 is a wasteful number, since it uses less digits than its factorization.

30378015128032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214146912 (or 214146904 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 30378015128032 in words is "thirty trillion, three hundred seventy-eight billion, fifteen million, one hundred twenty-eight thousand, thirty-two".

Divisors: 1 2 4 8 11 13 16 22 26 31 32 44 52 62 88 104 124 143 176 208 248 286 341 352 403 416 496 572 682 806 992 1144 1364 1612 2288 2728 3224 4433 4576 5456 6448 8866 10912 12896 17732 35464 70928 141856 214146847 428293694 856587388 1713174776 2355615317 2783909011 3426349552 4711230634 5567818022 6638552257 6852699104 9422461268 11135636044 13277104514 18844922536 22271272088 26554209028 30622999121 37689845072 44542544176 53108418056 61245998242 73024074827 75379690144 86301179341 89085088352 106216836112 122491996484 146048149654 172602358682 212433672224 244983992968 292096299308 345204717364 489967985936 584192598616 690409434728 949312972751 979935971872 1168385197232 1380818869456 1898625945502 2336770394464 2761637738912 3797251891004 7594503782008 15189007564016 30378015128032