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214211122440 = 23357236430463
BaseRepresentation
bin1100011101111111111…
…0100101010100001000
3202110220202000111121120
43013133332211110020
512002201021404230
6242223543435240
721322231332600
oct3073776452410
9673822014546
10214211122440
1182934659897
1235622a55b20
131727a5aaa73
14a521633c00
15588adac310
hex31dffa5508

214211122440 has 96 divisors (see below), whose sum is σ = 747553121280. Its totient is φ = 48962540928.

The previous prime is 214211122429. The next prime is 214211122487. The reversal of 214211122440 is 44221112412.

It is a happy number.

214211122440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 214211122440.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18209352 + ... + 18221111.

It is an arithmetic number, because the mean of its divisors is an integer number (7787011680).

Almost surely, 2214211122440 is an apocalyptic number.

214211122440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214211122440 is an abundant number, since it is smaller than the sum of its proper divisors (533341998840).

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

214211122440 is a wasteful number, since it uses less digits than its factorization.

214211122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36430491 (or 36430480 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 214211122440 its reverse (44221112412), we get a palindrome (258432234852).

The spelling of 214211122440 in words is "two hundred fourteen billion, two hundred eleven million, one hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 36430463 72860926 109291389 145721852 182152315 218582778 255013241 291443704 364304630 437165556 510026482 546456945 728609260 765039723 874331112 1020052964 1092913890 1275066205 1457218520 1530079446 1785092687 2040105928 2185827780 2550132410 3060158892 3570185374 3825198615 4371655560 5100264820 5355278061 6120317784 7140370748 7650397230 8925463435 10200529640 10710556122 14280741496 15300794460 17850926870 21421112244 26776390305 30601588920 35701853740 42842224488 53552780610 71403707480 107105561220 214211122440