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1010220001 = 7523275941
BaseRepresentation
bin111100001101101…
…011101111100001
32121101220111022121
4330031223233201
54032104020001
6244124304241
734014504550
oct7415535741
92541814277
101010220001
1147927426a
122423a2081
131313a7c1b
149824bd97
155da4e6a1
hex3c36bbe1

1010220001 has 8 divisors (see below), whose sum is σ = 1156748864. Its totient is φ = 864244080.

The previous prime is 1010219999. The next prime is 1010220023. The reversal of 1010220001 is 1000220101.

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

It is not a de Polignac number, because 1010220001 - 21 = 1010219999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010220041) 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, 134310 + ... + 141631.

It is an arithmetic number, because the mean of its divisors is an integer number (144593608).

Almost surely, 21010220001 is an apocalyptic number.

It is an amenable number.

1010220001 is a deficient number, since it is larger than the sum of its proper divisors (146528863).

1010220001 is an equidigital number, since it uses as much as digits as its factorization.

1010220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276471.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1010220001 is about 31783.9582336750. The cubic root of 1010220001 is about 1003.3951270671.

Adding to 1010220001 its reverse (1000220101), we get a palindrome (2010440102).

It can be divided in two parts, 10102 and 20001, that added together give a palindrome (30103).

The spelling of 1010220001 in words is "one billion, ten million, two hundred twenty thousand, one".

Divisors: 1 7 523 3661 275941 1931587 144317143 1010220001