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40155407453 = 725122854529
BaseRepresentation
bin100101011001011100…
…101110010001011101
310211122111111001110002
4211121130232101131
51124214241014303
630240325424045
72621042221520
oct453134562135
9124574431402
1040155407453
1116036753a57
127947b6b025
133a2c325835
141d2d0a2bb7
1510a0483788
hex95972e45d

40155407453 has 8 divisors (see below), whose sum is σ = 46074732480. Its totient is φ = 34281792000.

The previous prime is 40155407419. The next prime is 40155407477. The reversal of 40155407453 is 35470455104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40155407453 - 216 = 40155341917 is a prime.

It is a super-2 number, since 2×401554074532 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155407053) 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 7 ways as a sum of consecutive naturals, for example, 11425508 + ... + 11429021.

It is an arithmetic number, because the mean of its divisors is an integer number (5759341560).

Almost surely, 240155407453 is an apocalyptic number.

It is an amenable number.

40155407453 is a deficient number, since it is larger than the sum of its proper divisors (5919325027).

40155407453 is a wasteful number, since it uses less digits than its factorization.

40155407453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22854787.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 40155407453 in words is "forty billion, one hundred fifty-five million, four hundred seven thousand, four hundred fifty-three".

Divisors: 1 7 251 1757 22854529 159981703 5736486779 40155407453