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1078430660442 = 232197330366353
BaseRepresentation
bin11111011000101110111…
…10011111011101011010
310211002121200112210022200
433230113132133131122
5120132111222113232
62143231343431030
7140625342236442
oct17542736373532
93732550483280
101078430660442
113863a5aa1a33
121550102b5476
137a907241365
143a2a69cd122
151d0bc09077c
hexfb1779f75a

1078430660442 has 24 divisors (see below), whose sum is σ = 2337784129044. Its totient is φ = 359294676864.

The previous prime is 1078430660299. The next prime is 1078430660467. The reversal of 1078430660442 is 2440660348701.

1078430660442 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 4 + 30 + 6 + 604 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1025563315401 + 52867345041 = 1012701^2 + 229929^2 .

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, 15147663 + ... + 15218690.

Almost surely, 21078430660442 is an apocalyptic number.

1078430660442 is an abundant number, since it is smaller than the sum of its proper divisors (1259353468602).

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

1078430660442 is a wasteful number, since it uses less digits than its factorization.

1078430660442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30368334 (or 30368331 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 1078430660442 in words is "one trillion, seventy-eight billion, four hundred thirty million, six hundred sixty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 1973 3946 5919 11838 17757 35514 30366353 60732706 91099059 182198118 273297177 546594354 59912814469 119825628938 179738443407 359476886814 539215330221 1078430660442