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140121532252452 = 223181613105240907
BaseRepresentation
bin11111110111000010010110…
…001001111100000100100100
3200101010111011111121122022110
4133313002112021330010210
5121331222344224034302
61214002535425001020
741341306123265562
oct3767022611740444
9611114144548273
10140121532252452
1140713231aa5303
12138705a9783170
1360255331a030a
142685cbdd30a32
15112ed38c5cb6c
hex7f709627c124

140121532252452 has 48 divisors (see below), whose sum is σ = 329292907641152. Its totient is φ = 46373352819840.

The previous prime is 140121532252433. The next prime is 140121532252459. The reversal of 140121532252452 is 254252235121041.

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 140121532252452.

It is not an unprimeable number, because it can be changed into a prime (140121532252459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51289018 + ... + 53951889.

Almost surely, 2140121532252452 is an apocalyptic number.

140121532252452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140121532252452 is an abundant number, since it is smaller than the sum of its proper divisors (189171375388700).

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

140121532252452 is a wasteful number, since it uses less digits than its factorization.

140121532252452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105241708 (or 105241706 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 140121532252452 its reverse (254252235121041), we get a palindrome (394373767373493).

The spelling of 140121532252452 in words is "one hundred forty trillion, one hundred twenty-one billion, five hundred thirty-two million, two hundred fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 181 362 543 613 724 1086 1226 1839 2172 2452 3678 7356 110953 221906 332859 443812 665718 1331436 105240907 210481814 315722721 420963628 631445442 1262890884 19048604167 38097208334 57145812501 64512675991 76194416668 114291625002 129025351982 193538027973 228583250004 258050703964 387076055946 774152111892 11676794354371 23353588708742 35030383063113 46707177417484 70060766126226 140121532252452