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1010157101 = 1938152121
BaseRepresentation
bin111100001101011…
…100011000101101
32121101210022000222
4330031130120231
54032100011401
6244123101125
734014123302
oct7415343055
92541708028
101010157101
11479230a88
122423717a5
131313853c5
14982330a9
155da3ac1b
hex3c35c62d

1010157101 has 4 divisors (see below), whose sum is σ = 1010228604. Its totient is φ = 1010085600.

The previous prime is 1010157067. The next prime is 1010157149. The reversal of 1010157101 is 1017510101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 763195876 + 246961225 = 27626^2 + 15715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010157101 - 218 = 1009894957 is a prime.

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 1010157101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010157601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680 + ... + 45441.

It is an arithmetic number, because the mean of its divisors is an integer number (252557151).

Almost surely, 21010157101 is an apocalyptic number.

It is an amenable number.

1010157101 is a deficient number, since it is larger than the sum of its proper divisors (71503).

1010157101 is an equidigital number, since it uses as much as digits as its factorization.

1010157101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71502.

The product of its (nonzero) digits is 35, while the sum is 17.

The square root of 1010157101 is about 31782.9687254039. The cubic root of 1010157101 is about 1003.3743016154.

Adding to 1010157101 its reverse (1017510101), we get a palindrome (2027667202).

The spelling of 1010157101 in words is "one billion, ten million, one hundred fifty-seven thousand, one hundred one".

Divisors: 1 19381 52121 1010157101