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2231241555452 = 227213875683499
BaseRepresentation
bin100000011110000000010…
…111000011110111111100
321220022020001121222201212
4200132000113003313330
5243024040314233302
64425003534023552
7320126150203100
oct40360027036774
97808201558655
102231241555452
1179029a764aa8
1230051a347bb8
1313253622c620
1479dc7c45900
153d08e074052
hex207805c3dfc

2231241555452 has 36 divisors (see below), whose sum is σ = 4891568031000. Its totient is φ = 882688965984.

The previous prime is 2231241555443. The next prime is 2231241555461. The reversal of 2231241555452 is 2545551421322.

It is an interprime number because it is at equal distance from previous prime (2231241555443) and next prime (2231241555461).

It is a super-3 number, since 3×22312415554523 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437839202 + ... + 437844297.

It is an arithmetic number, because the mean of its divisors is an integer number (135876889750).

Almost surely, 22231241555452 is an apocalyptic number.

It is an amenable number.

2231241555452 is an abundant number, since it is smaller than the sum of its proper divisors (2660326475548).

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

2231241555452 is a wasteful number, since it uses less digits than its factorization.

2231241555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875683530 (or 875683521 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

Adding to 2231241555452 its reverse (2545551421322), we get a palindrome (4776792976774).

The spelling of 2231241555452 in words is "two trillion, two hundred thirty-one billion, two hundred forty-one million, five hundred fifty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 875683499 1751366998 3502733996 6129784493 11383885487 12259568986 22767770974 24519137972 42908491451 45535541948 79687198409 85816982902 159374396818 171633965804 318748793636 557810388863 1115620777726 2231241555452