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12401207377530 = 23516991489116339
BaseRepresentation
bin1011010001110110000110…
…0011110111111001111010
31121220112200110112121101120
42310131201203313321322
53111140133042040110
642213011440330110
72416646323316436
oct264354143677172
947815613477346
1012401207377530
113a513602a1874
12148352b313936
136bc5762063aa
1430c3162719c6
151678b5810870
hexb47618f7e7a

12401207377530 has 64 divisors (see below), whose sum is σ = 29784238272000. Its totient is φ = 3304617986880.

The previous prime is 12401207377513. The next prime is 12401207377613. The reversal of 12401207377530 is 3577370210421.

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, 758986101 + ... + 759002439.

It is an arithmetic number, because the mean of its divisors is an integer number (465378723000).

Almost surely, 212401207377530 is an apocalyptic number.

12401207377530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12401207377530 is an abundant number, since it is smaller than the sum of its proper divisors (17383030894470).

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

12401207377530 is a wasteful number, since it uses less digits than its factorization.

12401207377530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939.

The product of its (nonzero) digits is 246960, while the sum is 42.

Adding to 12401207377530 its reverse (3577370210421), we get a palindrome (15978577587951).

The spelling of 12401207377530 in words is "twelve trillion, four hundred one billion, two hundred seven million, three hundred seventy-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1699 3398 5097 8495 10194 14891 16339 16990 25485 29782 32678 44673 49017 50970 74455 81695 89346 98034 148910 163390 223365 245085 446730 490170 25299809 27759961 50599618 55519922 75899427 83279883 126499045 138799805 151798854 166559766 243304049 252998090 277599610 379497135 416399415 486608098 729912147 758994270 832798830 1216520245 1459824294 2433040490 3649560735 7299121470 413373579251 826747158502 1240120737753 2066867896255 2480241475506 4133735792510 6200603688765 12401207377530