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6948985398790 = 251705374074767
BaseRepresentation
bin110010100011110111111…
…0011100110011000000110
3220121022112201222201112211
41211013233303212120012
51402323010230230130
622440153025334034
71315022223211351
oct145075763463006
926538481881484
106948985398790
11223a0591093a6
1294291519731a
133b5395608776
141a0492c77298
15c0b5bc41a2a
hex651efce6606

6948985398790 has 16 divisors (see below), whose sum is σ = 12508250133312. Its totient is φ = 2779577178304.

The previous prime is 6948985398769. The next prime is 6948985398811. The reversal of 6948985398790 is 978935898496.

It is an interprime number because it is at equal distance from previous prime (6948985398769) and next prime (6948985398811).

It is a junction number, because it is equal to n+sod(n) for n = 6948985398698 and 6948985398707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332014 + ... + 3742753.

It is an arithmetic number, because the mean of its divisors is an integer number (781765633332).

Almost surely, 26948985398790 is an apocalyptic number.

6948985398790 is a deficient number, since it is larger than the sum of its proper divisors (5559264734522).

6948985398790 is a wasteful number, since it uses less digits than its factorization.

6948985398790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245311.

The product of its (nonzero) digits is 8465264640, while the sum is 85.

The spelling of 6948985398790 in words is "six trillion, nine hundred forty-eight billion, nine hundred eighty-five million, three hundred ninety-eight thousand, seven hundred ninety".

Divisors: 1 2 5 10 170537 341074 852685 1705370 4074767 8149534 20373835 40747670 694898539879 1389797079758 3474492699395 6948985398790