Search a number
-
+
1920418296446 = 213827539316561
BaseRepresentation
bin11011111100100001110…
…110011011001001111110
320210120221020211102211002
4123330201312123021332
5222431004040441241
64030121124530302
7255513520120436
oct33744166331176
96716836742732
101920418296446
11680499077051
12270234250992
1310c12cca8a60
1468d3d4bd2c6
1534e4b5d889b
hex1bf21d9b27e

1920418296446 has 32 divisors (see below), whose sum is σ = 3106728844128. Its totient is φ = 885057546240.

The previous prime is 1920418296421. The next prime is 1920418296449. The reversal of 1920418296446 is 6446928140291.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1920418296391 and 1920418296400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920418296449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115952006 + ... + 115968566.

It is an arithmetic number, because the mean of its divisors is an integer number (97085276379).

Almost surely, 21920418296446 is an apocalyptic number.

1920418296446 is a deficient number, since it is larger than the sum of its proper divisors (1186310547682).

1920418296446 is a wasteful number, since it uses less digits than its factorization.

1920418296446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22796.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 1920418296446 in words is "one trillion, nine hundred twenty billion, four hundred eighteen million, two hundred ninety-six thousand, four hundred forty-six".

Divisors: 1 2 13 26 827 1654 5393 10751 10786 16561 21502 33122 70109 140218 215293 430586 4460011 8920022 13695947 27391894 57980143 89313473 115960286 178047311 178626946 356094622 1161075149 2322150298 73862242171 147724484342 960209148223 1920418296446