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250012434432140 = 22513327793794291
BaseRepresentation
bin111000110110001010001110…
…010110000000000010001100
31012210012221210102100220220222
4320312022032112000002030
5230232200431203312030
62243422043215530512
7103442542123002452
oct7066121626000214
91183187712326828
10250012434432140
1172730750476336
122405a102529a38
13a9670c0b523c3
1445a49488149d2
151dd85e56853e5
hexe3628e58008c

250012434432140 has 24 divisors (see below), whose sum is σ = 525030057265392. Its totient is φ = 100004222352320.

The previous prime is 250012434432133. The next prime is 250012434432149. The reversal of 250012434432140 is 41234434210052.

It is a self number, because there is not a number n which added to its sum of digits gives 250012434432140.

It is not an unprimeable number, because it can be changed into a prime (250012434432149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44231606 + ... + 49562685.

It is an arithmetic number, because the mean of its divisors is an integer number (21876252386058).

Almost surely, 2250012434432140 is an apocalyptic number.

250012434432140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250012434432140 is an abundant number, since it is smaller than the sum of its proper divisors (275017622833252).

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

250012434432140 is a wasteful number, since it uses less digits than its factorization.

250012434432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93927577 (or 93927575 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 250012434432140 its reverse (41234434210052), we get a palindrome (291246868642192).

The spelling of 250012434432140 in words is "two hundred fifty trillion, twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 133277 266554 533108 666385 1332770 2665540 93794291 187588582 375177164 468971455 937942910 1875885820 12500621721607 25001243443214 50002486886428 62503108608035 125006217216070 250012434432140