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1078660083401 = 7388271459963
BaseRepresentation
bin11111011001001010010…
…01101010111011001001
310211010012200020200110022
433230211021222323021
5120133043440132101
62143310221030225
7140634126300155
oct17544511527311
93733180220408
101078660083401
1138650355088a
121550750b5375
137a94292aaa4
143a2c9270065
151d0d22aca1b
hexfb2526aec9

1078660083401 has 4 divisors (see below), whose sum is σ = 1078662282192. Its totient is φ = 1078657884612.

The previous prime is 1078660083383. The next prime is 1078660083437. The reversal of 1078660083401 is 1043800668701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1078660083401 - 26 = 1078660083337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078660086401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846 + ... + 1468808.

It is an arithmetic number, because the mean of its divisors is an integer number (269665570548).

Almost surely, 21078660083401 is an apocalyptic number.

It is an amenable number.

1078660083401 is a deficient number, since it is larger than the sum of its proper divisors (2198791).

1078660083401 is an equidigital number, since it uses as much as digits as its factorization.

1078660083401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198790.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 1078660083401 in words is "one trillion, seventy-eight billion, six hundred sixty million, eighty-three thousand, four hundred one".

Divisors: 1 738827 1459963 1078660083401