Search a number
-
+
1010215401 = 313157164987
BaseRepresentation
bin111100001101101…
…010100111101001
32121101220021000020
4330031222213221
54032103343101
6244124231053
734014455256
oct7415524751
92541807006
101010215401
11479270868
1224239b489
131313a5ac0
149824a42d
155da4d136
hex3c36a9e9

1010215401 has 16 divisors (see below), whose sum is σ = 1459813824. Its totient is φ = 617707584.

The previous prime is 1010215373. The next prime is 1010215411. The reversal of 1010215401 is 1045120101.

It is a happy number.

It is not a de Polignac number, because 1010215401 - 25 = 1010215369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010215411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76371 + ... + 88616.

It is an arithmetic number, because the mean of its divisors is an integer number (91238364).

Almost surely, 21010215401 is an apocalyptic number.

It is an amenable number.

1010215401 is a deficient number, since it is larger than the sum of its proper divisors (449598423).

1010215401 is a wasteful number, since it uses less digits than its factorization.

1010215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165160.

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

The square root of 1010215401 is about 31783.8858700443. The cubic root of 1010215401 is about 1003.3936040904.

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

The spelling of 1010215401 in words is "one billion, ten million, two hundred fifteen thousand, four hundred one".

Divisors: 1 3 13 39 157 471 2041 6123 164987 494961 2144831 6434493 25902959 77708877 336738467 1010215401