Search a number
-
+
1245940118 = 210317334961
BaseRepresentation
bin100101001000011…
…1000100110010110
310012211110022112022
41022100320212112
510022430040433
6323344453142
742606213323
oct11220704626
93184408468
101245940118
1158a334285
122a931a1b2
1316b18a997
14bb68bb4a
15745b2698
hex4a438996

1245940118 has 16 divisors (see below), whose sum is σ = 1898017056. Its totient is φ = 613338240.

The previous prime is 1245940099. The next prime is 1245940151. The reversal of 1245940118 is 8110495421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18158 + ... + 53118.

It is an arithmetic number, because the mean of its divisors is an integer number (118626066).

Almost surely, 21245940118 is an apocalyptic number.

1245940118 is a deficient number, since it is larger than the sum of its proper divisors (652076938).

1245940118 is a wasteful number, since it uses less digits than its factorization.

1245940118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35239.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1245940118 is about 35297.8769616531. The cubic root of 1245940118 is about 1076.0498467116.

The spelling of 1245940118 in words is "one billion, two hundred forty-five million, nine hundred forty thousand, one hundred eighteen".

Divisors: 1 2 103 173 206 346 17819 34961 35638 69922 3600983 6048253 7201966 12096506 622970059 1245940118