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38749725909371 = 431046386127919
BaseRepresentation
bin10001100111110000111111…
…01001011110000101111011
312002012102211000122111001102
420303320133221132011323
520034333414313044441
6214225213415242015
711106401221445621
oct1063703751360573
9162172730574042
1038749725909371
111138a737088654
124419b5897930b
131881111514349
1497d6d50b3511
15472e8159969b
hex233e1fa5e17b

38749725909371 has 8 divisors (see below), whose sum is σ = 39654672414720. Its totient is φ = 37844951680872.

The previous prime is 38749725909361. The next prime is 38749725909421. The reversal of 38749725909371 is 17390952794783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38749725909371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38749725909331) 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, 42614051 + ... + 43513868.

It is an arithmetic number, because the mean of its divisors is an integer number (4956834051840).

Almost surely, 238749725909371 is an apocalyptic number.

38749725909371 is a deficient number, since it is larger than the sum of its proper divisors (904946505349).

38749725909371 is a wasteful number, since it uses less digits than its factorization.

38749725909371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86138425.

The product of its (nonzero) digits is 720135360, while the sum is 74.

The spelling of 38749725909371 in words is "thirty-eight trillion, seven hundred forty-nine billion, seven hundred twenty-five million, nine hundred nine thousand, three hundred seventy-one".

Divisors: 1 43 10463 449909 86127919 3703500517 901156416497 38749725909371