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1012095001 = 13925129009
BaseRepresentation
bin111100010100110…
…101100000011001
32121112102202100001
4330110311200121
54033044020001
6244232413001
734036444201
oct7424654031
92545382301
101012095001
1147a334a55
12242b47161
131318b34a8
14985b9401
155dcc0001
hex3c535819

1012095001 has 8 divisors (see below), whose sum is σ = 1023472800. Its totient is φ = 1000776000.

The previous prime is 1012094987. The next prime is 1012095031. The reversal of 1012095001 is 1005902101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012095001 - 25 = 1012094969 is a prime.

It is a super-3 number, since 3×10120950013 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012095001.

It is not an unprimeable number, because it can be changed into a prime (1012095031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20385 + ... + 49393.

It is an arithmetic number, because the mean of its divisors is an integer number (127934100).

Almost surely, 21012095001 is an apocalyptic number.

It is an amenable number.

1012095001 is a deficient number, since it is larger than the sum of its proper divisors (11377799).

1012095001 is a wasteful number, since it uses less digits than its factorization.

1012095001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29399.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1012095001 is about 31813.4405715572. The cubic root of 1012095001 is about 1004.0155210084.

Adding to 1012095001 its reverse (1005902101), we get a palindrome (2017997102).

The spelling of 1012095001 in words is "one billion, twelve million, ninety-five thousand, one".

Divisors: 1 139 251 29009 34889 4032251 7281259 1012095001