Search a number
-
+
20248976946 = 23112313339247
BaseRepresentation
bin10010110110111011…
…101101111000110010
31221021012000121102010
4102312323231320302
5312432214230241
613145141503350
71314534315132
oct226673557062
957235017363
1020248976946
1186510240a0
123b11411b56
131ba914c783
14da13b6ac2
157d7a4bd16
hex4b6eede32

20248976946 has 32 divisors (see below), whose sum is σ = 46100441088. Its totient is φ = 5869268240.

The previous prime is 20248976873. The next prime is 20248976971. The reversal of 20248976946 is 64967984202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6668106 + ... + 6671141.

It is an arithmetic number, because the mean of its divisors is an integer number (1440638784).

Almost surely, 220248976946 is an apocalyptic number.

20248976946 is an abundant number, since it is smaller than the sum of its proper divisors (25851464142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20248976946 is a wasteful number, since it uses less digits than its factorization.

20248976946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339286.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 20248976946 in words is "twenty billion, two hundred forty-eight million, nine hundred seventy-six thousand, nine hundred forty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 13339247 26678494 40017741 80035482 146731717 293463434 306802681 440195151 613605362 880390302 920408043 1840816086 3374829491 6749658982 10124488473 20248976946