Search a number
-
+
55691201492 = 2219803991153
BaseRepresentation
bin110011110111011101…
…000100101111010100
312022202012211011101022
4303313131010233110
51403023421421432
641330103420312
74011036254633
oct636735045724
9168665734338
1055691201492
112168925aa63
12a962a54698
135336b79c84
1429a451951a
1516ae331b12
hexcf7744bd4

55691201492 has 24 divisors (see below), whose sum is σ = 102602942400. Its totient is φ = 26376471936.

The previous prime is 55691201491. The next prime is 55691201509. The reversal of 55691201492 is 29410219655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55691201491) 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, 565388 + ... + 656540.

It is an arithmetic number, because the mean of its divisors is an integer number (4275122600).

Almost surely, 255691201492 is an apocalyptic number.

It is an amenable number.

55691201492 is a deficient number, since it is larger than the sum of its proper divisors (46911740908).

55691201492 is a wasteful number, since it uses less digits than its factorization.

55691201492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99215 (or 99213 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 55691201492 in words is "fifty-five billion, six hundred ninety-one million, two hundred one thousand, four hundred ninety-two".

Divisors: 1 2 4 19 38 76 8039 16078 32156 91153 152741 182306 305482 364612 610964 1731907 3463814 6927628 732778967 1465557934 2931115868 13922800373 27845600746 55691201492