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22525070640 = 243593854461
BaseRepresentation
bin10100111110100110…
…010100110100110000
32011010210220010222120
4110332212110310300
5332112404230030
614203050234240
71425122640612
oct247646246460
964123803876
1022525070640
1196098a6a66
124447725980
13217c874487
1411397c0db2
158bc79a010
hex53e994d30

22525070640 has 40 divisors (see below), whose sum is σ = 69827719728. Its totient is φ = 6006685440.

The previous prime is 22525070629. The next prime is 22525070699. The reversal of 22525070640 is 4607052522.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46926991 + ... + 46927470.

Almost surely, 222525070640 is an apocalyptic number.

22525070640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22525070640 is an abundant number, since it is smaller than the sum of its proper divisors (47302649088).

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

22525070640 is a wasteful number, since it uses less digits than its factorization.

22525070640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93854477 (or 93854471 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 22525070640 in words is "twenty-two billion, five hundred twenty-five million, seventy thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 93854461 187708922 281563383 375417844 469272305 563126766 750835688 938544610 1126253532 1407816915 1501671376 1877089220 2252507064 2815633830 3754178440 4505014128 5631267660 7508356880 11262535320 22525070640