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2145952950 = 235214306353
BaseRepresentation
bin111111111101000…
…1010010010110110
312112112222201000220
41333322022102312
513343330443300
6552535115210
7104115204411
oct17772122266
95475881026
102145952950
11a01375239
124ba812b06
1328278a15b
1416500cb78
15c85e2da0
hex7fe8a4b6

2145952950 has 24 divisors (see below), whose sum is σ = 5321963688. Its totient is φ = 572254080.

The previous prime is 2145952901. The next prime is 2145952951. The reversal of 2145952950 is 592595412.

It is a happy number.

It is a super-2 number, since 2×21459529502 = 9210228127227405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145952951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7153027 + ... + 7153326.

It is an arithmetic number, because the mean of its divisors is an integer number (221748487).

Almost surely, 22145952950 is an apocalyptic number.

2145952950 is an abundant number, since it is smaller than the sum of its proper divisors (3176010738).

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

2145952950 is a wasteful number, since it uses less digits than its factorization.

2145952950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14306368 (or 14306363 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 2145952950 is about 46324.4314590044. The cubic root of 2145952950 is about 1289.8525460928.

The spelling of 2145952950 in words is "two billion, one hundred forty-five million, nine hundred fifty-two thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 14306353 28612706 42919059 71531765 85838118 143063530 214595295 357658825 429190590 715317650 1072976475 2145952950