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30421400451312 = 2431348752244313
BaseRepresentation
bin1101110101011000010001…
…10001000111100011110000
310222201020221200222200202210
412322230020301013203300
512441411012003420222
6144411222021212120
76256605443206443
oct672541061074360
9128636850880683
1030421400451312
11976970951a252
1234b3a55561040
1313c8958631220
1477259182365a
1537b4e5371d0c
hex1bab08c478f0

30421400451312 has 40 divisors (see below), whose sum is σ = 84633896129104. Its totient is φ = 9360430907904.

The previous prime is 30421400451287. The next prime is 30421400451319. The reversal of 30421400451312 is 21315400412403.

It is a self number, because there is not a number n which added to its sum of digits gives 30421400451312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421400451319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24376121533 + ... + 24376122780.

Almost surely, 230421400451312 is an apocalyptic number.

It is an amenable number.

30421400451312 is an abundant number, since it is smaller than the sum of its proper divisors (54212495677792).

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

30421400451312 is a wasteful number, since it uses less digits than its factorization.

30421400451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48752244337 (or 48752244331 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 30421400451312 its reverse (21315400412403), we get a palindrome (51736800863715).

The spelling of 30421400451312 in words is "thirty trillion, four hundred twenty-one billion, four hundred million, four hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 48752244313 97504488626 146256732939 195008977252 292513465878 390017954504 585026931756 633779176069 780035909008 1170053863512 1267558352138 1901337528207 2340107727024 2535116704276 3802675056414 5070233408552 7605350112828 10140466817104 15210700225656 30421400451312