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93099964781 = 1993533893407
BaseRepresentation
bin101011010110100110…
…0001011100101101101
322220022022000020100202
41112231030023211231
53011132042333111
6110434115203245
76504050433515
oct1265514134555
9286268006322
1093099964781
113653555955a
1216062ba6525
138a19137275
1447128c6845
15264d5b9b3b
hex15ad30b96d

93099964781 has 16 divisors (see below), whose sum is σ = 94101696000. Its totient is φ = 92105215488.

The previous prime is 93099964757. The next prime is 93099964901. The reversal of 93099964781 is 18746999039.

It is a cyclic number.

It is not a de Polignac number, because 93099964781 - 234 = 75920095597 is a prime.

It is a super-2 number, since 2×930999647812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93099964981) 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, 27324380 + ... + 27327786.

It is an arithmetic number, because the mean of its divisors is an integer number (5881356000).

Almost surely, 293099964781 is an apocalyptic number.

It is an amenable number.

93099964781 is a deficient number, since it is larger than the sum of its proper divisors (1001731219).

93099964781 is a wasteful number, since it uses less digits than its factorization.

93099964781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The spelling of 93099964781 in words is "ninety-three billion, ninety-nine million, nine hundred sixty-four thousand, seven hundred eighty-one".

Divisors: 1 199 353 389 3407 70247 77411 137317 677993 1202671 1325323 27326083 239331529 263739277 467839019 93099964781