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1022312001 = 310128112007
BaseRepresentation
bin111100111011110…
…011111001000001
32122020122211102110
4330323303321001
54043202441001
6245235405533
734222336314
oct7473637101
92566584373
101022312001
11485083157
122464538a9
13133a4ca59
1499ab897b
155eb3c3d6
hex3cef3e41

1022312001 has 16 divisors (see below), whose sum is σ = 1381592448. Its totient is φ = 672336000.

The previous prime is 1022311991. The next prime is 1022312021. The reversal of 1022312001 is 1002132201.

It is a de Polignac number, because none of the positive numbers 2k-1022312001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022312021) 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, 79140 + ... + 91146.

It is an arithmetic number, because the mean of its divisors is an integer number (86349528).

Almost surely, 21022312001 is an apocalyptic number.

It is an amenable number.

1022312001 is a deficient number, since it is larger than the sum of its proper divisors (359280447).

1022312001 is a wasteful number, since it uses less digits than its factorization.

1022312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1022312001 is about 31973.6141372851. The cubic root of 1022312001 is about 1007.3826953468.

Adding to 1022312001 its reverse (1002132201), we get a palindrome (2024444202).

The spelling of 1022312001 in words is "one billion, twenty-two million, three hundred twelve thousand, one".

Divisors: 1 3 101 281 303 843 12007 28381 36021 85143 1212707 3373967 3638121 10121901 340770667 1022312001