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49169971232 = 25391992
BaseRepresentation
bin101101110010110000…
…100011100000100000
311200220201222100012122
4231302300203200200
51301200003034412
634331031043412
73360322600544
oct556260434040
9150821870178
1049169971232
1119942192168
129642b10568
134837b04a45
1425463c9a24
15142ba8a572
hexb72c23820

49169971232 has 18 divisors (see below), whose sum is σ = 96805850463. Its totient is φ = 24584358432.

The previous prime is 49169971211. The next prime is 49169971241. The reversal of 49169971232 is 23217996194.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 24584985616 + 24584985616 = 156796^2 + 156796^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=156796.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1234769 + ... + 1273967.

Almost surely, 249169971232 is an apocalyptic number.

It is an amenable number.

49169971232 is a deficient number, since it is larger than the sum of its proper divisors (47635879231).

49169971232 is an frugal number, since it uses more digits than its factorization.

49169971232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78408 (or 39201 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The spelling of 49169971232 in words is "forty-nine billion, one hundred sixty-nine million, nine hundred seventy-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 39199 78398 156796 313592 627184 1254368 1536561601 3073123202 6146246404 12292492808 24584985616 49169971232