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214421111140 = 22514971953393
BaseRepresentation
bin1100011110110001111…
…1101000000101100100
3202111110101011000221211
43013230133220011210
512003113301024030
6242300444321204
721330361241545
oct3075437500544
9674411130854
10214421111140
1182a32144475
1235681243204
13172b1c51732
14a5414964cc
15589e53b12a
hex31ec7e8164

214421111140 has 24 divisors (see below), whose sum is σ = 453306382200. Its totient is φ = 85192816128.

The previous prime is 214421111137. The next prime is 214421111171. The reversal of 214421111140 is 41111124412.

214421111140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 214420859136 = 502^2 + 463056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35973717 + ... + 35979676.

It is an arithmetic number, because the mean of its divisors is an integer number (18887765925).

Almost surely, 2214421111140 is an apocalyptic number.

214421111140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214421111140 is an abundant number, since it is smaller than the sum of its proper divisors (238885271060).

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

214421111140 is a wasteful number, since it uses less digits than its factorization.

214421111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71953551 (or 71953549 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 214421111140 its reverse (41111124412), we get a palindrome (255532235552).

The spelling of 214421111140 in words is "two hundred fourteen billion, four hundred twenty-one million, one hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 71953393 143906786 287813572 359766965 719533930 1439067860 10721055557 21442111114 42884222228 53605277785 107210555570 214421111140