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1028842418707 = 2921223356027
BaseRepresentation
bin11101111100010111100…
…10010111001000010011
310122100121210112002211221
432332023302113020103
5113324032124344312
62104351011345511
7134221450160215
oct16761362271023
93570553462757
101028842418707
113673697a5a74
121474912b2297
137603389bb9c
1437b20c445b5
151bb68933207
hexef8bc97213

1028842418707 has 6 divisors (see below), whose sum is σ = 1065543100388. Its totient is φ = 993365093112.

The previous prime is 1028842418687. The next prime is 1028842418761. The reversal of 1028842418707 is 7078142488201.

It is not a de Polignac number, because 1028842418707 - 235 = 994482680339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028842412707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611677173 + ... + 611678854.

Almost surely, 21028842418707 is an apocalyptic number.

1028842418707 is a deficient number, since it is larger than the sum of its proper divisors (36700681681).

1028842418707 is an equidigital number, since it uses as much as digits as its factorization.

1028842418707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223356085 (or 1223356056 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 52.

The spelling of 1028842418707 in words is "one trillion, twenty-eight billion, eight hundred forty-two million, four hundred eighteen thousand, seven hundred seven".

Divisors: 1 29 841 1223356027 35477324783 1028842418707