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133771401002557 = 4710154152089091
BaseRepresentation
bin11110011010101000010100…
…110101100111111000111101
3122112122102100221100201001001
4132122220110311213320331
5120013202312124040212
61152301422214050301
740114444010251363
oct3632502465477075
9575572327321031
10133771401002557
11396951504a861a
1213005963649991
135984787009556
1425067db0a5633
15106ea7b497657
hex79aa14d67e3d

133771401002557 has 16 divisors (see below), whose sum is σ = 138225281382144. Its totient is φ = 129389299560000.

The previous prime is 133771401002537. The next prime is 133771401002587. The reversal of 133771401002557 is 755200104177331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133771401002557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133771401002507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23476419 + ... + 28612672.

It is an arithmetic number, because the mean of its divisors is an integer number (8639080086384).

Almost surely, 2133771401002557 is an apocalyptic number.

It is an amenable number.

133771401002557 is a deficient number, since it is larger than the sum of its proper divisors (4453880379587).

133771401002557 is a wasteful number, since it uses less digits than its factorization.

133771401002557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52089780.

The product of its (nonzero) digits is 617400, while the sum is 46.

Adding to 133771401002557 its reverse (755200104177331), we get a palindrome (888971505179888).

The spelling of 133771401002557 in words is "one hundred thirty-three trillion, seven hundred seventy-one billion, four hundred one million, two thousand, five hundred fifty-seven".

Divisors: 1 47 101 541 4747 25427 54641 2568127 52089091 2448187277 5260998191 28180198231 247266914977 1324469316857 2846200021331 133771401002557