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85902078472 = 2371533965687
BaseRepresentation
bin101000000000000101…
…0011011001000001000
322012201122220201120221
41100000022123020020
52401411413002342
6103243551355424
76130506422320
oct1200012331010
9265648821527
1085902078472
1133481535a91
1214794522b74
13813cb37142
14422c978280
15237b712a67
hex140029b208

85902078472 has 16 divisors (see below), whose sum is σ = 184075882560. Its totient is φ = 36815176464.

The previous prime is 85902078469. The next prime is 85902078491. The reversal of 85902078472 is 27487020958.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766982788 + ... + 766982899.

It is an arithmetic number, because the mean of its divisors is an integer number (11504742660).

Almost surely, 285902078472 is an apocalyptic number.

It is an amenable number.

85902078472 is an abundant number, since it is smaller than the sum of its proper divisors (98173804088).

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

85902078472 is a wasteful number, since it uses less digits than its factorization.

85902078472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533965700 (or 1533965696 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 85902078472 in words is "eighty-five billion, nine hundred two million, seventy-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 1533965687 3067931374 6135862748 10737759809 12271725496 21475519618 42951039236 85902078472