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25220242150432 = 257731542333791
BaseRepresentation
bin1011011110000000010111…
…00100110001010000100000
310022022000212001001002202121
411233000023210301100200
511301202023442303212
6125350004100154024
75212050053124640
oct557001344612040
9108260761032677
1025220242150432
118043932226a3a
1229b3a28098914
13110c349296674
14632948202520
152db082b7ad07
hex16f00b931420

25220242150432 has 48 divisors (see below), whose sum is σ = 57522881106432. Its totient is φ = 10660611156480.

The previous prime is 25220242150429. The next prime is 25220242150471. The reversal of 25220242150432 is 23405124202252.

It is a super-2 number, since 2×252202421504322 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771150544 + ... + 771183247.

It is an arithmetic number, because the mean of its divisors is an integer number (1198393356384).

Almost surely, 225220242150432 is an apocalyptic number.

It is an amenable number.

25220242150432 is an abundant number, since it is smaller than the sum of its proper divisors (32302638956000).

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

25220242150432 is a wasteful number, since it uses less digits than its factorization.

25220242150432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542333881 (or 1542333873 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 25220242150432 its reverse (23405124202252), we get a palindrome (48625366352684).

The spelling of 25220242150432 in words is "twenty-five trillion, two hundred twenty billion, two hundred forty-two million, one hundred fifty thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 73 112 146 224 292 511 584 1022 1168 2044 2336 4088 8176 16352 1542333791 3084667582 6169335164 10796336537 12338670328 21592673074 24677340656 43185346148 49354681312 86370692296 112590366743 172741384592 225180733486 345482769184 450361466972 788132567201 900722933944 1576265134402 1801445867888 3152530268804 3602891735776 6305060537608 12610121075216 25220242150432