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1000077001 = 71119765929
BaseRepresentation
bin111011100110111…
…111011011001001
32120200211011201221
4323212333123021
54022004431001
6243123042041
733532341250
oct7346773311
92520734657
101000077001
11473576720
1223ab10321
1312c266251
1496b6b797
155cbe91a1
hex3b9bf6c9

1000077001 has 16 divisors (see below), whose sum is σ = 1253197440. Its totient is φ = 775313280.

The previous prime is 1000076953. The next prime is 1000077017. The reversal of 1000077001 is 1007700001.

It is a happy number.

It is not a de Polignac number, because 1000077001 - 211 = 1000074953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000077031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17796 + ... + 48133.

It is an arithmetic number, because the mean of its divisors is an integer number (78324840).

Almost surely, 21000077001 is an apocalyptic number.

1000077001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000077001 is a deficient number, since it is larger than the sum of its proper divisors (253120439).

1000077001 is a wasteful number, since it uses less digits than its factorization.

1000077001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66144.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 1000077001 is about 31623.9940709582. The cubic root of 1000077001 is about 1000.0256663412.

Adding to 1000077001 its reverse (1007700001), we get a palindrome (2007777002).

The spelling of 1000077001 in words is "one billion, seventy-seven thousand, one".

Divisors: 1 7 11 77 197 1379 2167 15169 65929 461503 725219 5076533 12988013 90916091 142868143 1000077001