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897750854452 = 22277498088137
BaseRepresentation
bin11010001000001100001…
…11101110101100110100
310011211020210121122120101
431010012013232230310
5104202043204320302
61524230540243444
7121601050232614
oct15040607565464
93154223548511
10897750854452
11316808a53521
12125ba6b40584
136687180b25a
14316467d4a44
1518544d53287
hexd1061eeb34

897750854452 has 12 divisors (see below), whose sum is σ = 1571120806500. Its totient is φ = 448859195456.

The previous prime is 897750854431. The next prime is 897750854453. The reversal of 897750854452 is 254458057798.

It can be written as a sum of positive squares in 2 ways, for example, as 571303175716 + 326447678736 = 755846^2 + 571356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897750854453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3933073 + ... + 4155064.

It is an arithmetic number, because the mean of its divisors is an integer number (130926733875).

Almost surely, 2897750854452 is an apocalyptic number.

It is an amenable number.

897750854452 is a deficient number, since it is larger than the sum of its proper divisors (673369952048).

897750854452 is a wasteful number, since it uses less digits than its factorization.

897750854452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115890 (or 8115888 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 64.

The spelling of 897750854452 in words is "eight hundred ninety-seven billion, seven hundred fifty million, eight hundred fifty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 27749 55498 110996 8088137 16176274 32352548 224437713613 448875427226 897750854452