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7002146980 = 225350107349
BaseRepresentation
bin1101000010101110…
…00100100010100100
3200001222202220220001
412201113010202210
5103320022200410
63114452151044
7335343160453
oct64127044244
920058686801
107002146980
112a73590734
121435008484
138778a824a
144a5d58b9a
152aeae033a
hex1a15c48a4

7002146980 has 12 divisors (see below), whose sum is σ = 14704508700. Its totient is φ = 2800858784.

The previous prime is 7002146971. The next prime is 7002146999. The reversal of 7002146980 is 896412007.

It can be written as a sum of positive squares in 2 ways, for example, as 4977866916 + 2024280064 = 70554^2 + 44992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175053655 + ... + 175053694.

It is an arithmetic number, because the mean of its divisors is an integer number (1225375725).

Almost surely, 27002146980 is an apocalyptic number.

It is an amenable number.

7002146980 is an abundant number, since it is smaller than the sum of its proper divisors (7702361720).

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

7002146980 is a wasteful number, since it uses less digits than its factorization.

7002146980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350107358 (or 350107356 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 7002146980 is about 83678.8323293293. The cubic root of 7002146980 is about 1913.1267353996.

Adding to 7002146980 its reverse (896412007), we get a palindrome (7898558987).

The spelling of 7002146980 in words is "seven billion, two million, one hundred forty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 350107349 700214698 1400429396 1750536745 3501073490 7002146980