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214321061550 = 23521679079433
BaseRepresentation
bin1100011110011010000…
…1111101111010101110
3202111012101212222201110
43013212201331322232
512002412142432200
6242242512052450
721325034652021
oct3074641757256
9674171788643
10214321061550
1182990719762
1235653834126
13172972c14ab
14a5320911b8
155895876b50
hex31e687deae

214321061550 has 96 divisors (see below), whose sum is σ = 535345235712. Its totient is φ = 56741402880.

The previous prime is 214321061543. The next prime is 214321061611. The reversal of 214321061550 is 55160123412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 22715634 + ... + 22725066.

It is an arithmetic number, because the mean of its divisors is an integer number (5576512872).

Almost surely, 2214321061550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214321061550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267672617856).

214321061550 is an abundant number, since it is smaller than the sum of its proper divisors (321024174162).

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

214321061550 is a wasteful number, since it uses less digits than its factorization.

214321061550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522 (or 10517 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 214321061550 its reverse (55160123412), we get a palindrome (269481184962).

The spelling of 214321061550 in words is "two hundred fourteen billion, three hundred twenty-one million, sixty-one thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 167 334 501 835 907 1002 1670 1814 2505 2721 4175 4535 5010 5442 8350 9070 9433 12525 13605 18866 22675 25050 27210 28299 45350 47165 56598 68025 94330 136050 141495 151469 235825 282990 302938 454407 471650 707475 757345 908814 1414950 1514690 1575311 2272035 3150622 3786725 4544070 4725933 7573450 7876555 8555731 9451866 11360175 15753110 17111462 22720350 23629665 25667193 39382775 42778655 47259330 51334386 78765550 85557310 118148325 128335965 213893275 236296650 256671930 427786550 641679825 1283359650 1428807077 2857614154 4286421231 7144035385 8572842462 14288070770 21432106155 35720176925 42864212310 71440353850 107160530775 214321061550