Search a number
-
+
1217342687034 = 231237290956383
BaseRepresentation
bin10001101101101111010…
…001110100011100111010
311022101011201000220010110
4101231233101310130322
5124421104211441114
62331123422325150
7153643613052555
oct21555721643472
94271151026113
101217342687034
1142a2aa2355a1
12177b197297b6
138aa445a37b6
1442cc392d69c
15219ec504759
hex11b6f47473a

1217342687034 has 32 divisors (see below), whose sum is σ = 2437534448640. Its totient is φ = 405306292032.

The previous prime is 1217342686981. The next prime is 1217342687039. The reversal of 1217342687034 is 4307862437121.

It is not an unprimeable number, because it can be changed into a prime (1217342687039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21562407 + ... + 21618789.

It is an arithmetic number, because the mean of its divisors is an integer number (76172951520).

Almost surely, 21217342687034 is an apocalyptic number.

1217342687034 is an abundant number, since it is smaller than the sum of its proper divisors (1220191761606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217342687034 is a wasteful number, since it uses less digits than its factorization.

1217342687034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60534.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 1217342687034 in words is "one trillion, two hundred seventeen billion, three hundred forty-two million, six hundred eighty-seven thousand, thirty-four".

Divisors: 1 2 3 6 1237 2474 2909 3711 5818 7422 8727 17454 56383 112766 169149 338298 3598433 7196866 10795299 21590598 69745771 139491542 164018147 209237313 328036294 418474626 492054441 984108882 202890447839 405780895678 608671343517 1217342687034