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1045120101 = 31720492551
BaseRepresentation
bin111110010010110…
…100010001100101
32200211120121020220
4332102310101211
54120022320401
6251412314553
734620242244
oct7622642145
92624517226
101045120101
11496a41223
12252012a59
131386a737c
149cb3495b
1561b45336
hex3e4b4465

1045120101 has 8 divisors (see below), whose sum is σ = 1475463744. Its totient is φ = 655761600.

The previous prime is 1045120079. The next prime is 1045120123. The reversal of 1045120101 is 1010215401.

It is a happy number.

1045120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1045120079) and next prime (1045120123).

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

It is not a de Polignac number, because 1045120101 - 27 = 1045119973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045120301) 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, 10246225 + ... + 10246326.

It is an arithmetic number, because the mean of its divisors is an integer number (184432968).

Almost surely, 21045120101 is an apocalyptic number.

It is an amenable number.

1045120101 is a deficient number, since it is larger than the sum of its proper divisors (430343643).

1045120101 is a wasteful number, since it uses less digits than its factorization.

1045120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492571.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1045120101 is about 32328.3173239808. The cubic root of 1045120101 is about 1014.8193361058.

Adding to 1045120101 its reverse (1010215401), we get a palindrome (2055335502).

The spelling of 1045120101 in words is "one billion, forty-five million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 17 51 20492551 61477653 348373367 1045120101